/* ===================================
   AEITEC - DARK & CLEAN
   Version 4.0
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Dark & Clean Color Palette */
    --primary: #6366F1;
    --primary-light: #818CF8;
    --primary-dark: #4F46E5;
    --success: #10B981;
    --error: #EF4444;

    /* Dark Theme Base */
    --bg-base: #09090E;
    --bg-surface: #111119;
    --bg-elevated: #18181F;
    --text-heading: #FFFFFF;
    --text-body: #94A3B8;
    --text-muted: #64748B;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 102, 241, 0.5);

    --white: #FFFFFF;

    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Spacing */
    --spacing-xl: 96px;

    /* Borders & Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);

    /* Transitions */
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-base);
    color: var(--text-body);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

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

/* ===================================
   NAVIGATION
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(9, 9, 14, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(9, 9, 14, 0.98);
    box-shadow: 0 1px 0 var(--border-color), 0 4px 20px rgba(0,0,0,0.3);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.logo a {
    display: flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-heading);
    transition: var(--transition-fast);
    letter-spacing: -0.01em;
}

.logo img {
    height: 36px;
    width: auto;
}

.logo a:hover {
    color: var(--primary-light);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
}

.nav-menu li a {
    padding: 9px 16px;
    color: var(--text-body);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li a.active {
    color: var(--white);
    background: rgba(99, 102, 241, 0.12);
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    color: var(--text-body);
}

.theme-toggle:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.moon-icon {
    display: block;
}

.sun-icon {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 11px 9px;
    transition: var(--transition-fast);
    z-index: 1001;
}

.hamburger:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: var(--text-body);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

.hamburger:hover span {
    background: var(--white);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-base);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Subtle grid background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 72px 72px;
    pointer-events: none;
}

/* Subtle indigo glow */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 20% 70%, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 840px;
}

.matrix-bg,
.terminal-output,
.hero-background {
    display: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: 100px;
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 28px;
    animation: slideDown 0.6s ease-out;
}

.hero-badge span {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    flex-shrink: 0;
}

.hero-title {
    font-size: clamp(44px, 7vw, 76px);
    color: var(--text-heading);
    margin-bottom: 24px;
    line-height: 1.08;
    animation: slideUp 0.7s ease-out 0.15s both;
    text-shadow: none;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, #A78BFA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .code-brackets {
    color: var(--primary-light);
}

.hero-title .typing-text {
    color: var(--text-heading);
}

.hero-subtitle {
    font-size: clamp(17px, 2vw, 21px);
    color: var(--text-body);
    margin-bottom: 40px;
    line-height: 1.65;
    animation: slideUp 0.7s ease-out 0.3s both;
    max-width: 600px;
    text-shadow: none;
}

.hero-buttons,
.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    animation: slideUp 0.7s ease-out 0.45s both;
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 0 0 1px rgba(99, 102, 241, 0.5), var(--shadow-md);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.6), var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-heading);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-surface);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ===================================
   SECTIONS
   =================================== */

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

section:nth-child(even) {
    background: var(--bg-surface);
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--primary-light);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.section-title {
    font-size: clamp(32px, 4.5vw, 52px);
    margin-bottom: 16px;
    color: var(--text-heading);
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-body);
    line-height: 1.7;
}

/* ===================================
   SERVICES
   =================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-light);
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-heading);
}

.service-card p {
    color: var(--text-body);
    line-height: 1.7;
    font-size: 15px;
}

/* ===================================
   PRICING
   =================================== */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.pricing-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.pricing-card.featured {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border: 1px solid rgba(99, 102, 241, 0.4);
    box-shadow: var(--shadow-glow);
}

.pricing-card.featured h3,
.pricing-card.featured .price-recurring {
    color: var(--white);
}

.pricing-card:not(.featured):hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.pricing-header h3 {
    font-size: 22px;
    margin-bottom: 6px;
    color: var(--text-heading);
}

.pricing-header p {
    font-size: 14px;
    color: var(--text-muted);
}

.pricing-price {
    margin: 28px 0;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.pricing-card.featured .pricing-price {
    border-color: rgba(99, 102, 241, 0.3);
}

.price-recurring {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-body);
    margin-top: 6px;
}

.pricing-features {
    list-style: none;
    margin: 20px 0;
}

.pricing-features li {
    padding: 10px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.check {
    display: none; /* ::before pseudo-element already renders the styled checkmark */
}

.pricing-card.featured .pricing-features li {
    color: rgba(255, 255, 255, 0.85);
    border-color: rgba(99, 102, 241, 0.15);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
}

.pricing-card:not(.featured) .btn-primary {
    background: var(--primary);
    color: var(--white);
}

.pricing-card.featured .btn-primary {
    background: var(--white);
    color: var(--primary-dark);
}

/* ===================================
   QUIZ
   =================================== */

.quiz-wrapper {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 48px;
    border: 1px solid var(--border-color);
    max-width: 880px;
    margin: 0 auto;
}

.quiz-step-title {
    font-size: 26px;
    text-align: center;
    margin-bottom: 10px;
    color: var(--text-heading);
}

.quiz-step-subtitle {
    text-align: center;
    color: var(--text-body);
    margin-bottom: 36px;
    font-size: 15px;
}

.quiz-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.quiz-option-card {
    cursor: pointer;
}

.quiz-option-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.quiz-option-card .option-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    transition: var(--transition);
    min-height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.quiz-option-card:hover .option-content {
    border-color: var(--border-hover);
    background: rgba(99, 102, 241, 0.06);
}

.quiz-option-card input:checked + .option-content {
    background: rgba(99, 102, 241, 0.12);
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

.option-icon {
    font-size: 40px;
}

.option-label {
    font-weight: 600;
    font-size: 15px;
    color: var(--text-heading);
}

.quiz-contact-form {
    max-width: 500px;
    margin: 28px auto 0;
}

.quiz-form-group {
    margin-bottom: 18px;
}

.quiz-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-body);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.quiz-form-group input {
    width: 100%;
    padding: 13px 16px;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-heading);
    transition: var(--transition-fast);
}

.quiz-form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.quiz-nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
}

.quiz-nav-buttons .btn {
    flex: 1;
}

/* ===================================
   CONTACT FORM
   =================================== */

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.contact-info {
    background: linear-gradient(145deg, #0f0f1a 0%, #141428 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.contact-info h3 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 20px;
}

.contact-item {
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item h4 {
    color: var(--white);
    font-size: 15px;
    margin-bottom: 6px;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-body);
    font-size: 15px;
}

.contact-form {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 40px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-body);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--text-heading);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-top: 16px;
    font-weight: 600;
    display: none;
    text-align: center;
}

/* ===================================
   PORTFOLIO
   =================================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.portfolio-item {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.portfolio-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

.portfolio-image {
    width: 100%;
    height: 260px;
    background: var(--bg-elevated);
    overflow: hidden;
}

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

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.04);
}

.portfolio-info {
    padding: 22px;
}

.portfolio-info h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--text-heading);
}

.portfolio-info p {
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.6;
}

/* ===================================
   ABOUT SECTION
   =================================== */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-text h3 {
    font-size: 30px;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
    margin-bottom: 28px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.about-stats .stat {
    text-align: center;
    padding: 20px;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.about-stats .stat-number {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
    margin-bottom: 6px;
}

.about-stats .stat-label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.about-visual-img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

/* ===================================
   STATS
   =================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 48px 0;
}

.stat {
    text-align: center;
    padding: 28px;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.stat:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.08);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 44px;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background: #04040A;
    color: var(--text-muted);
    padding: 64px 0 32px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 18px;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--white);
}

.footer-section p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
}

.footer-bottom {
    text-align: center;
    padding-top: 28px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
}

.footer-legal-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.footer-legal-links a {
    color: var(--text-muted);
    font-size: 13px;
    transition: var(--transition-fast);
}

.footer-legal-links a:hover {
    color: var(--white);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}

.fade-in-up {
    animation: slideUp 0.6s ease-out;
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===================================
   PROCESS SECTION
   =================================== */

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 780px;
    margin: 0 auto 48px;
}

.process-timeline .process-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.process-timeline .process-step:hover {
    border-color: var(--border-hover);
}

.process-timeline .step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--primary-light);
    border-radius: 50%;
    font-family: var(--font-heading);
}

.step-content {
    flex: 1;
    padding-top: 4px;
}

.step-content h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: var(--text-heading);
}

.step-content p {
    color: var(--text-body);
    line-height: 1.7;
    font-size: 15px;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.process-step {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.process-step:hover {
    border-color: var(--border-hover);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 14px;
}

.process-step h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-heading);
}

.process-step p {
    color: var(--text-body);
    font-size: 14px;
    line-height: 1.6;
}

.process-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 48px;
}

.process-text h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.process-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-body);
}

.process-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.process-image img {
    width: 100%;
    height: auto;
}

.process-cta {
    text-align: center;
    background: linear-gradient(145deg, #0f0f1a 0%, #141428 100%);
    border: 1px solid rgba(99, 102, 241, 0.25);
    border-radius: var(--radius-xl);
    padding: 48px 32px;
    margin-top: 48px;
}

.process-cta h3 {
    color: var(--white);
    font-size: 28px;
    margin-bottom: 12px;
}

.process-cta p {
    color: var(--text-body);
    font-size: 17px;
    margin-bottom: 24px;
}

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

/* ===================================
   LIGHT MODE (toggle)
   =================================== */

body.light-mode {
    --bg-base: #FFFFFF;
    --bg-surface: #F8FAFC;
    --bg-elevated: #F1F5F9;
    --text-heading: #0F172A;
    --text-body: #475569;
    --text-muted: #94A3B8;
    --border-color: #E2E8F0;
    --border-hover: #6366F1;
    background: var(--bg-base);
    color: var(--text-body);
}

body.light-mode .navbar {
    background: rgba(255, 255, 255, 0.9);
    border-bottom-color: #E2E8F0;
}

body.light-mode .navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 0 #E2E8F0, 0 4px 20px rgba(0,0,0,0.08);
}

body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode h4 {
    color: var(--text-heading);
}

body.light-mode .hero::before {
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.04) 1px, transparent 1px);
}

body.light-mode .hero::after {
    background:
        radial-gradient(ellipse 80% 60% at 50% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
}

body.light-mode .hero-badge {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
}

body.light-mode .theme-toggle,
body.light-mode .hamburger {
    background: var(--bg-elevated);
    border-color: #E2E8F0;
    color: var(--text-body);
}

body.light-mode .moon-icon { display: none; }
body.light-mode .sun-icon  { display: block; }

body.light-mode section:nth-child(even) {
    background: #F8FAFC;
}

body.light-mode .service-card,
body.light-mode .pricing-card:not(.featured),
body.light-mode .portfolio-item,
body.light-mode .stat,
body.light-mode .about-stats .stat,
body.light-mode .process-step,
body.light-mode .contact-form,
body.light-mode .quiz-wrapper,
body.light-mode .quiz-option-card .option-content {
    background: #FFFFFF;
    border-color: #E2E8F0;
}

body.light-mode .form-group input,
body.light-mode .form-group textarea,
body.light-mode .quiz-form-group input {
    background: #FFFFFF;
    border-color: #E2E8F0;
    color: var(--text-heading);
}

body.light-mode .footer {
    background: #0F172A;
}

body.light-mode .contact-info {
    background: linear-gradient(145deg, var(--primary-dark), var(--primary));
}

body.light-mode .contact-info h3,
body.light-mode .contact-info h4 {
    color: var(--white);
}

body.light-mode .contact-item p {
    color: rgba(255, 255, 255, 0.9);
}

body.light-mode .contact-item {
    border-color: rgba(255, 255, 255, 0.2);
}

body.light-mode .pricing-card.featured {
    background: linear-gradient(145deg, #EEF2FF 0%, #E0E7FF 100%);
    border-color: rgba(99, 102, 241, 0.35);
}

body.light-mode .pricing-card.featured h3,
body.light-mode .pricing-card.featured .price-recurring {
    color: var(--primary-dark);
}

body.light-mode .pricing-card.featured .pricing-features li {
    color: var(--text-body);
    border-color: rgba(99, 102, 241, 0.12);
}

body.light-mode .pricing-card.featured .package-best-for {
    background: rgba(99, 102, 241, 0.08);
    color: var(--text-body);
}

body.light-mode .pricing-card.featured .btn-primary {
    background: var(--primary);
    color: var(--white);
}

body.light-mode .process-cta {
    background: linear-gradient(145deg, #EEF2FF 0%, #E0E7FF 100%);
    border-color: rgba(99, 102, 241, 0.3);
}

body.light-mode .process-cta h3 {
    color: var(--primary-dark);
}

/* Keep dark-mode class as alias for no change (dark is default) */

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 968px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-surface);
        border: 1px solid var(--border-color);
        border-top: none;
        flex-direction: column;
        align-items: stretch;
        max-height: 0;
        overflow: hidden;
        transition: var(--transition);
    }

    body.light-mode .nav-menu {
        background: #FFFFFF;
        border-color: #E2E8F0;
    }

    .nav-menu.active {
        max-height: 500px;
    }

    .nav-menu li a {
        padding: 14px 24px;
        border-radius: 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 18px;
    }

    section {
        padding: 64px 0;
    }

    .hero {
        min-height: 90vh;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

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

    .hero-cta .btn,
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .pricing-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .quiz-wrapper,
    .contact-info,
    .contact-form {
        padding: 28px 20px;
    }

    .quiz-options-grid {
        grid-template-columns: 1fr 1fr;
    }

    .process-timeline .process-step {
        flex-direction: column;
        gap: 14px;
    }

    .pricing-card.featured {
        transform: none;
    }

    .popular-badge {
        top: 16px;
        left: 16px;
        transform: none;
    }

    .contact-info h3 {
        font-size: 22px;
    }

    .section-header {
        margin-bottom: 40px;
    }
}

/* ===================================
   UTILITIES
   =================================== */

.quiz-step {
    display: none;
}

.quiz-step.active {
    display: block;
    animation: slideUp 0.35s ease-out;
}

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

.hidden {
    display: none !important;
}

/* ===================================
   PORTFOLIO SPECIFIC
   =================================== */

.portfolio-link-wrapper {
    display: block;
    color: inherit;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===================================
   PRICING SPECIFIC
   =================================== */

.pricing-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    margin: 0 auto 18px;
}

.pricing-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--primary-light);
}

.price-from {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    color: var(--primary-light);
    display: block;
    line-height: 1;
}

.pricing-card.featured .price-amount {
    color: var(--white);
}

.price-period {
    font-size: 13px;
    color: var(--text-muted);
    display: block;
    margin-top: 4px;
}

.pricing-card.featured .price-period,
.pricing-card.featured .price-from {
    color: rgba(255, 255, 255, 0.65);
}

.package-best-for {
    background: var(--bg-elevated);
    padding: 14px;
    border-radius: var(--radius-md);
    margin: 16px 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-body);
}

.pricing-card.featured .package-best-for {
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.85);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 5px 18px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}

/* ===================================
   QUIZ SPECIFIC
   =================================== */

.quiz-progress-container {
    margin-bottom: 36px;
}

.quiz-progress-bar-bg {
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 10px;
}

.quiz-progress-bar {
    height: 100%;
    background: var(--primary);
    border-radius: 100px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.quiz-progress-text {
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.quiz-result-display {
    text-align: center;
    padding: 48px 28px;
}

.result-check-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.quiz-result-display h3 {
    font-size: 26px;
    margin-bottom: 14px;
    color: var(--text-heading);
}

.quiz-result-display p {
    font-size: 16px;
    color: var(--text-body);
    margin-bottom: 28px;
    line-height: 1.7;
}

.result-recommendation {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 28px;
    border: 1px solid var(--border-color);
}

/* ===================================
   CONTACT SPECIFIC
   =================================== */

.contact-details {
    margin-top: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-item svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.error-message {
    display: none;
    color: var(--error);
    font-size: 12px;
    margin-top: 5px;
}

.form-group.error .error-message {
    display: block;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--error);
}

/* ===================================
   COOKIE CONSENT
   =================================== */

.cookie-consent {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: min(600px, calc(100% - 32px));
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 20px 24px;
    z-index: 9999;
    transition: bottom 0.4s ease;
    box-shadow: var(--shadow-xl);
}

.cookie-consent.show {
    bottom: 24px;
}

.cookie-consent-content {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.cookie-consent-text {
    flex: 1;
    min-width: 200px;
}

.cookie-consent-text h3 {
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--text-heading);
}

.cookie-consent-text p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.5;
}

.cookie-consent-text a {
    color: var(--primary-light);
    text-decoration: underline;
}

.cookie-consent-buttons {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid var(--border-color);
    font-family: var(--font-body);
}

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

.cookie-btn-accept:hover {
    background: var(--primary-light);
}

.cookie-btn-decline,
.cookie-btn-settings {
    background: transparent;
    color: var(--text-body);
}

.cookie-btn-decline:hover,
.cookie-btn-settings:hover {
    color: var(--text-heading);
    border-color: rgba(255,255,255,0.2);
}

/* ===================================
   SCROLL PROGRESS BAR
   =================================== */

#scrollProgress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    background: var(--primary);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ===================================
   BACK TO TOP
   =================================== */

#backToTop {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 18px;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

#backToTop:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

#backToTop.visible {
    display: flex;
}