/* ============================================
   TIP CONSULT GH - Main Stylesheet
   Professional, Modern, Secure Website
   ============================================ */

/* ============================================
   CSS VARIABLES / CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Brand Colors */
    --primary-color: #1e3a5f;
    --primary-dark: #152a45;
    --primary-light: #2d5a8a;
    --secondary-color: #e8a035;
    --secondary-dark: #c98a2a;
    --secondary-light: #f5b84d;

    /* Neutral Colors */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 80px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.2;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-20) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-12);
}

.section-subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-2);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
}

.highlight {
    color: var(--secondary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    color: var(--white);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn-white {
    background: var(--white);
    color: var(--primary-color);
}

.btn-white:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.btn-outline-white {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-color);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* Honeypot (spam prevention) */
.honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--white);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    padding: var(--spacing-2) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav-toggle,
.nav-close {
    display: none;
    font-size: var(--font-size-xl);
    color: var(--gray-700);
    cursor: pointer;
}

/* Mobile Navigation */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-20) var(--spacing-8);
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }

    .nav-menu.show {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-6);
    }

    .nav-link {
        font-size: var(--font-size-lg);
    }

    .nav-close {
        display: block;
        position: absolute;
        top: var(--spacing-6);
        right: var(--spacing-6);
        font-size: var(--font-size-2xl);
    }

    .nav-toggle {
        display: block;
    }

    .nav-buttons .btn {
        display: none;
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('../images/hero-bg.jpg') center center / cover no-repeat;
    opacity: 0.15;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-4);
}

.hero-title {
    font-size: var(--font-size-5xl);
    color: var(--white);
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-8);
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-12);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-10);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--secondary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* Hero Visual */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.code-block {
    background: var(--gray-900);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

.code-block pre {
    margin: 0;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

.code-block code {
    color: var(--gray-300);
}

.code-keyword { color: #c678dd; }
.code-var { color: #e5c07b; }
.code-func { color: #61afef; }
.code-prop { color: #e06c75; }
.code-string { color: #98c379; }

.floating-card {
    position: absolute;
    background: var(--white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-700);
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--secondary-color);
}

.floating-card.card-1 {
    top: 0;
    left: -20px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 50%;
    right: -30px;
    animation-delay: 1s;
}

.floating-card.card-3 {
    bottom: 20px;
    left: 10px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 120px;
}

/* Hero Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-description {
        margin: 0 auto var(--spacing-8);
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

/* ============================================
   PAGE HERO
   ============================================ */
.page-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: calc(var(--header-height) + var(--spacing-16)) 0 var(--spacing-16);
    text-align: center;
    position: relative;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--white);
    clip-path: ellipse(70% 100% at 50% 100%);
}

.page-title {
    font-size: var(--font-size-5xl);
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.page-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-6);
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
    color: var(--secondary-color);
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 576px) {
    .page-title {
        font-size: var(--font-size-3xl);
    }
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-8);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--secondary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.service-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
}

.service-link:hover {
    color: var(--secondary-color);
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover i {
    transform: translateX(5px);
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-12);
}

/* ============================================
   SERVICE DETAIL SECTION
   ============================================ */
.service-detail {
    background: var(--white);
}

.service-detail.alt-bg {
    background: var(--gray-50);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.service-detail-grid.reverse {
    direction: rtl;
}

.service-detail-grid.reverse > * {
    direction: ltr;
}

.service-detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-6);
}

.service-detail-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.service-detail-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.service-detail-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

.service-features h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
}

.service-features ul {
    margin-bottom: var(--spacing-6);
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-3);
    color: var(--gray-600);
}

.service-features li i {
    color: var(--success);
    margin-top: 4px;
}

.service-tech-stack h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
}

.tech-badges span {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Service Visuals */
.service-detail-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-visual-card {
    width: 100%;
    max-width: 450px;
}

/* Web Visual */
.visual-browser {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.browser-header {
    background: var(--gray-100);
    padding: var(--spacing-3) var(--spacing-4);
    display: flex;
    gap: var(--spacing-2);
}

.browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.browser-dot:nth-child(1) { background: #ff5f57; }
.browser-dot:nth-child(2) { background: #febc2e; }
.browser-dot:nth-child(3) { background: #28c840; }

.browser-content {
    padding: var(--spacing-6);
    background: var(--gray-50);
    min-height: 250px;
}

.mock-nav {
    height: 20px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
}

.mock-hero {
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
}

.mock-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3);
}

.mock-card {
    height: 60px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Mobile Visual */
.visual-phone {
    background: var(--gray-900);
    border-radius: 40px;
    padding: var(--spacing-3);
    box-shadow: var(--shadow-xl);
    max-width: 280px;
    margin: 0 auto;
}

.phone-notch {
    width: 100px;
    height: 25px;
    background: var(--black);
    border-radius: 0 0 20px 20px;
    margin: 0 auto var(--spacing-4);
}

.phone-content {
    background: var(--white);
    border-radius: 30px;
    padding: var(--spacing-4);
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.mock-app-header {
    height: 40px;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
}

.mock-app-content {
    flex: 1;
}

.mock-app-card {
    height: 100px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-3);
}

.mock-app-nav {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-3) 0;
    border-top: 1px solid var(--gray-200);
}

.mock-app-nav span {
    width: 30px;
    height: 30px;
    background: var(--gray-200);
    border-radius: 50%;
}

/* Dashboard Visual */
.visual-dashboard {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    min-height: 300px;
}

.dashboard-sidebar {
    width: 60px;
    background: var(--primary-color);
    padding: var(--spacing-4);
}

.sidebar-item {
    width: 100%;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-3);
}

.sidebar-item.active {
    background: var(--secondary-color);
}

.dashboard-main {
    flex: 1;
    padding: var(--spacing-4);
    background: var(--gray-50);
}

.dashboard-header {
    height: 30px;
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.stat-card {
    height: 60px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.dashboard-chart {
    height: 100px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Cloud Visual */
.visual-cloud {
    text-align: center;
    padding: var(--spacing-8);
}

.cloud-main {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-8);
    box-shadow: var(--shadow-xl);
}

.cloud-main i {
    font-size: 60px;
    color: var(--white);
}

.cloud-connections {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
}

.connection-item {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

.connection-item i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

@media (max-width: 968px) {
    .service-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .service-detail-grid.reverse {
        direction: ltr;
    }

    .service-detail-visual {
        order: -1;
    }
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-12);
}

.filter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    gap: var(--spacing-8);
}

.portfolio-item {
    opacity: 1;
    transition: opacity var(--transition-base);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.portfolio-image {
    height: 250px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image.education-theme {
    background: linear-gradient(135deg, #6B4EE6 0%, #9D7FEA 100%);
}

.portfolio-image.school-theme {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.portfolio-image.waste-theme {
    background: linear-gradient(135deg, #10b981 0%, #34d399 100%);
}

.portfolio-image.fintech-theme {
    background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-6);
}

.portfolio-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.portfolio-icon i {
    font-size: 40px;
    color: var(--white);
}

.portfolio-category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.portfolio-content {
    padding: var(--spacing-8);
}

.portfolio-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.portfolio-subtitle {
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.portfolio-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

.portfolio-features h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-3);
}

.portfolio-features ul {
    margin-bottom: var(--spacing-6);
}

.portfolio-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.portfolio-features li i {
    color: var(--secondary-color);
    margin-top: 3px;
}

.portfolio-tech h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-3);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-6);
}

.tech-tags span {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.portfolio-links {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

/* Featured Projects on Home */
.projects-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #6B4EE6 0%, #9D7FEA 100%);
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-image-school {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.project-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
}

.project-content {
    padding: var(--spacing-6);
}

.project-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-3);
}

.project-description {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
}

.project-tech span {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

@media (max-width: 768px) {
    .projects-showcase {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.why-us-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
}

.why-us-features {
    display: grid;
    gap: var(--spacing-6);
}

.feature-item {
    display: flex;
    gap: var(--spacing-4);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.feature-text h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-1);
}

.feature-text p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.why-us-image {
    display: flex;
    justify-content: center;
}

.image-wrapper {
    width: 100%;
    max-width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-2xl);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.experience-badge {
    background: var(--white);
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.badge-number {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.badge-text {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

@media (max-width: 968px) {
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }

    .why-us-image {
        order: -1;
    }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.about-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-4);
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--gray-200);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.highlight-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-color);
}

.highlight-label {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

.about-image-wrapper {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-2xl);
    position: relative;
}

.about-pattern {
    position: absolute;
    inset: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-xl);
}

@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-highlights {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   MISSION SECTION
   ============================================ */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.mission-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.mission-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
}

.mission-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
}

.mission-icon i {
    font-size: var(--font-size-3xl);
    color: var(--white);
}

.mission-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
}

.mission-text {
    color: var(--gray-600);
    text-align: left;
}

@media (max-width: 768px) {
    .mission-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   PROCESS SECTION
   ============================================ */
.process-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.process-item {
    display: flex;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
    position: relative;
}

.process-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 35px;
    top: 80px;
    width: 2px;
    height: calc(100% - 40px);
    background: var(--gray-200);
}

.process-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--white);
    flex-shrink: 0;
}

.process-content {
    flex: 1;
    padding-top: var(--spacing-2);
}

.process-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2);
}

.process-text {
    color: var(--gray-600);
}

/* ============================================
   TECH SECTION
   ============================================ */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.tech-category {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
}

.tech-category-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
    text-align: center;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    justify-content: center;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-3);
}

.tech-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.tech-item span {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
}

@media (max-width: 968px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    background: var(--gray-50);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.stat-item {
    text-align: center;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.stat-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.stat-item .stat-number {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-color);
}

.stat-item .stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    color: var(--white);
    margin-bottom: var(--spacing-4);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-8);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

.pricing-cta {
    background: var(--gray-50);
}

.pricing-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.pricing-cta-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

.pricing-cta-description {
    color: var(--gray-600);
    margin-bottom: var(--spacing-8);
}

.pricing-cta-buttons {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.contact-info-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid var(--gray-100);
}

.contact-info-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-4);
}

.contact-info-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.contact-info-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.contact-info-text {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.contact-info-text a {
    color: var(--gray-600);
}

.contact-info-text a:hover {
    color: var(--primary-color);
}

@media (max-width: 968px) {
    .contact-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
}

/* Contact Forms */
.contact-forms-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
}

.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: var(--spacing-6);
}

.form-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2);
}

.form-subtitle {
    color: var(--gray-600);
}

/* Contact Intro Illustration */
.contact-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
    margin-bottom: var(--spacing-12);
    padding: var(--spacing-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
}

.contact-intro-content {
    text-align: left;
}

.contact-intro-content .section-title {
    text-align: left;
}

.contact-intro-content .section-description {
    text-align: left;
}

.contact-intro-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
}

.illustration-wrapper {
    position: relative;
    width: 250px;
    height: 250px;
}

.illustration-circle {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    opacity: 0.1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.1; }
    50% { transform: scale(1.05); opacity: 0.15; }
}

.illustration-icons {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
}

.illust-icon {
    background: var(--white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.illust-icon:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.illust-icon i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
}

.illust-icon:nth-child(1) i { color: var(--info); }
.illust-icon:nth-child(2) i { color: var(--success); }
.illust-icon:nth-child(3) i { color: var(--secondary-color); }
.illust-icon:nth-child(4) i { color: var(--primary-color); }

/* Form Header Icons */
.form-header-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.form-header-icon i {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.form-header-icon.quote-icon {
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-dark));
}

@media (max-width: 768px) {
    .contact-intro {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-intro-content .section-title,
    .contact-intro-content .section-description {
        text-align: center;
    }

    .illustration-wrapper {
        width: 200px;
        height: 200px;
    }
}

.contact-form {
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-2);
}

.required {
    color: var(--error);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Phone input with country code dropdown */
.phone-input-group {
    display: flex;
    gap: 0;
}

.phone-input-group .country-code-select {
    width: 180px;
    flex-shrink: 0;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    border-right: none;
    padding: var(--spacing-3) var(--spacing-2);
    font-size: var(--font-size-sm);
}

@media (max-width: 480px) {
    .phone-input-group .country-code-select {
        width: 140px;
    }
}

.phone-input-group input[type="tel"] {
    flex: 1;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    min-width: 0;
}

.phone-input-group .country-code-select:focus {
    z-index: 1;
}

.phone-input-group input[type="tel"]:focus {
    z-index: 1;
}

@media (max-width: 968px) {
    .contact-forms-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Demo Section */
.demo-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-10);
    box-shadow: var(--shadow-lg);
}

.demo-content {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.demo-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-3);
}

.demo-subtitle {
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

.demo-form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.demo-form .btn {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: var(--spacing-4) auto 0;
}

@media (max-width: 968px) {
    .demo-form-grid {
        grid-template-columns: 1fr;
    }
}

/* Social Section */
.social-links-large {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    flex-wrap: wrap;
}

.social-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-8) var(--spacing-12);
    border-radius: var(--radius-xl);
    color: var(--white);
    transition: all var(--transition-base);
}

.social-link-card:hover {
    transform: translateY(-5px);
    color: var(--white);
}

.social-link-card.facebook {
    background: #1877f2;
}

.social-link-card.instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.social-link-card.twitter {
    background: #000000;
}

.social-link-card i {
    font-size: var(--font-size-3xl);
}

.social-link-card span {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.social-link-card small {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-10);
    text-align: center;
    max-width: 400px;
    width: 90%;
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-6);
}

.modal-icon.success {
    background: rgba(16, 185, 129, 0.1);
}

.modal-icon.success i {
    font-size: var(--font-size-4xl);
    color: var(--success);
}

.modal-icon.error {
    background: rgba(239, 68, 68, 0.1);
}

.modal-icon.error i {
    font-size: var(--font-size-4xl);
    color: var(--error);
}

.modal-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-3);
}

.modal-text {
    color: var(--gray-600);
    margin-bottom: var(--spacing-6);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gray-900);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-10);
}

.footer-logo img {
    height: 50px;
    margin-bottom: var(--spacing-4);
    filter: brightness(0) invert(1);
}

.footer-tagline {
    color: var(--secondary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.footer-description {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-6);
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-6);
}

.footer-links ul li {
    margin-bottom: var(--spacing-3);
}

.footer-links ul li a {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-2);
}

.footer-contact ul li {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

.footer-contact ul li i {
    color: var(--secondary-color);
    margin-top: 3px;
}

.footer-contact ul li a {
    color: var(--gray-400);
}

.footer-contact ul li a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-8);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top:hover {
    background: var(--secondary-color);
    color: var(--white);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
    transition-timing-function: ease-out;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* ============================================
   LOADING STATE
   ============================================ */
.btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
    text-decoration: none;
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float:active {
    transform: scale(0.95);
}

.whatsapp-float .whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--gray-800);
    color: var(--white);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-float .whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--gray-800);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 80px;
        right: 16px;
        width: 54px;
        height: 54px;
        font-size: 28px;
    }

    .whatsapp-float .whatsapp-tooltip {
        display: none;
    }
}

/* ============================================
   PAGE IMAGES
   ============================================ */

/* About page images */
.about-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.about-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-6);
}

/* Service images */
.service-image {
    width: 100%;
    max-width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base);
}

.service-image:hover {
    transform: scale(1.02);
}

.service-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

/* Portfolio images */
.portfolio-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

/* Contact illustration */
.contact-illustration {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    display: block;
}

.contact-illustration-wrapper {
    text-align: center;
    padding: var(--spacing-8);
}

/* Image placeholders (shown when image not loaded) */
.image-placeholder {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: var(--font-size-3xl);
}

@media (max-width: 768px) {
    .about-image {
        max-width: 100%;
    }

    .service-image {
        height: 200px;
    }

    .portfolio-image img {
        height: 180px;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .footer,
    .back-to-top,
    .whatsapp-float,
    .cta-section {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    .section {
        padding: 20pt 0;
        page-break-inside: avoid;
    }
}