/* ============================================
   INNOVACODESS — Design System & Styles
   Corporate Identity: Light Blue + White + Lime Green
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Corporate Colors */
    --color-primary: #38BDF8;        /* Light Blue */
    --color-primary-dark: #0EA5E9;
    --color-primary-darker: #0284C7;
    --color-primary-light: #7DD3FC;
    --color-primary-lighter: #BAE6FD;
    --color-primary-subtle: #F0F9FF;

    --color-accent: #A3E635;         /* Lime Green */
    --color-accent-dark: #84CC16;
    --color-accent-light: #D9F99D;

    --color-white: #FFFFFF;
    --color-bg: #FAFCFF;
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FFFFFF;

    --color-text: #0F172A;
    --color-text-secondary: #475569;
    --color-text-muted: #94A3B8;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Borders & Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.15);
    --shadow-accent-glow: 0 0 30px rgba(163, 230, 53, 0.2);

    /* Transitions */
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;

    /* Z-Index */
    --z-nav: 1000;
    --z-hero: 1;
    --z-modal: 2000;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

::selection {
    background-color: var(--color-primary-light);
    color: var(--color-text);
}

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

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

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

.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent {
    color: var(--color-accent-dark);
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--gradient-accent);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent-glow);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

.btn-primary.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 3px;
}

/* --- Navbar --- */
.navbar {
    padding: 16px 0;
    transition: all var(--duration-normal) var(--ease-out);
    z-index: var(--z-nav);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border-light);
    padding: 10px 0;
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-accent);
    color: var(--color-text);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0;
}

.brand-text {
    color: var(--color-white);
    transition: color var(--duration-normal);
}

.navbar.scrolled .brand-text {
    color: var(--color-text);
}

.brand-accent {
    color: var(--color-accent-dark);
}

.navbar-toggler {
    padding: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 10;
}

.toggler-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled .toggler-bar {
    background: var(--color-text);
}

.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(2) {
    opacity: 0;
}

.navbar-toggler[aria-expanded="true"] .toggler-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.navbar-nav {
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

.nav-link:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-link {
    color: var(--color-text-secondary);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-text);
    background: var(--color-primary-subtle);
}

.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 22px;
    background: var(--gradient-accent);
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-left: 8px;
    transition: all var(--duration-normal) var(--ease-out);
}

.btn-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent-glow);
}

/* --- Hero (Scroll-Driven) --- */
.hero-scroll-wrapper {
    position: relative;
    height: 300vh;
    z-index: 1;
}

.hero-scroll-container {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    background: #070B14;
}

.hero-scroll-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
}

.hero-scroll-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(7, 11, 20, 0.55) 0%,
        rgba(7, 11, 20, 0.25) 40%,
        rgba(7, 11, 20, 0.65) 100%
    );
    z-index: 2;
    pointer-events: none;
}

.hero-scroll-particles {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.hero-scroll-content {
    position: relative;
    z-index: 4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 0 24px;
    padding-top: 60px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    backdrop-filter: blur(8px);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-xl);
    letter-spacing: -0.03em;
    text-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 640px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: var(--space-4xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

.hero-scroll-progress {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: min(200px, 50vw);
    height: 2px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 2px;
    z-index: 5;
    overflow: hidden;
}

.hero-scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: var(--gradient-accent);
    border-radius: 2px;
    transition: width 0.05s linear;
    will-change: width;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 55px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.4; height: 50px; }
    50% { opacity: 1; height: 65px; }
}

/* --- Sections --- */
.section {
    padding: var(--space-5xl) 0;
}

.section-header {
    margin-bottom: var(--space-4xl);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

/* --- About --- */
.section-about {
    background: var(--color-white);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: var(--space-xl);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-md);
    border: 1px solid rgba(56, 189, 248, 0.1);
    transition: all var(--duration-normal) var(--ease-out);
}

.about-feature:hover {
    border-color: rgba(56, 189, 248, 0.25);
    box-shadow: var(--shadow-sm);
}

.about-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.about-feature strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

.about-feature span {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
}

.about-visual {
    position: relative;
    padding: 20px;
}

.about-code-block {
    background: #0F172A;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red { background: #EF4444; }
.code-dot.yellow { background: #EAB308; }
.code-dot.green { background: #22C55E; }

.code-filename {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-left: 8px;
}

.code-content {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.7;
    color: #E2E8F0;
    overflow-x: auto;
    margin: 0;
}

.code-keyword { color: #C084FC; }
.code-class { color: #38BDF8; }
.code-string { color: #A3E635; }
.code-method { color: #38BDF8; }
.code-this { color: #F97316; }

.about-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    z-index: 2;
    animation: float 6s ease-in-out infinite;
}

.about-floating-card svg {
    color: var(--color-accent-dark);
}

.card-1 {
    top: 20px;
    right: -10px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 30px;
    left: -10px;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* --- Services --- */
.section-services {
    background: var(--color-bg);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    height: 100%;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.service-card:hover {
    border-color: var(--color-primary-lighter);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.service-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.service-tags span {
    padding: 4px 12px;
    background: var(--color-primary-subtle);
    color: var(--color-primary-darker);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.01em;
}

/* --- Technologies --- */
.section-technologies {
    background: var(--color-white);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
    cursor: default;
}

.tech-item:hover {
    border-color: var(--color-primary-lighter);
    background: var(--color-primary-subtle);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tech-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    color: var(--color-primary-dark);
}

.tech-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}

/* --- Process --- */
.section-process {
    background: var(--color-bg);
}

.process-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.process-line {
    position: absolute;
    left: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}

.process-step {
    display: flex;
    gap: 28px;
    padding-bottom: 40px;
    position: relative;
}

.process-step:last-child {
    padding-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-muted);
    z-index: 1;
    transition: all var(--duration-normal) var(--ease-out);
}

.process-step:hover .step-number {
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    background: var(--color-primary-subtle);
}

.step-content h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    padding-top: 14px;
}

.step-content p {
    font-size: 0.92rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- Projects --- */
.section-projects {
    background: var(--color-white);
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    transition: all var(--duration-normal) var(--ease-out);
    height: 100%;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary-subtle) 0%, var(--color-primary-lighter) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    padding: 5px 14px;
    background: var(--gradient-accent);
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.project-info {
    padding: 24px;
}

.project-info h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.project-info p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tech span {
    padding: 3px 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

/* --- Differentiators --- */
.section-differentiators {
    background: var(--color-bg);
}

.diff-card {
    padding: 32px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    height: 100%;
    transition: all var(--duration-normal) var(--ease-out);
}

.diff-card:hover {
    border-color: var(--color-primary-lighter);
    box-shadow: var(--shadow-md);
}

.diff-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary-lighter);
    margin-bottom: var(--space-md);
    line-height: 1;
}

.diff-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.diff-card p {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- CTA Section --- */
.section-cta {
    background: var(--color-white);
    padding: var(--space-4xl) 0;
}

.cta-box {
    position: relative;
    background: #0F172A;
    border-radius: var(--radius-xl);
    padding: 60px;
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.05rem;
    margin-bottom: var(--space-2xl);
}

.cta-actions {
    display: flex;
    justify-content: center;
}

.cta-visual {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.cta-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* --- Contact --- */
.section-contact {
    background: var(--color-bg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.92rem;
    color: var(--color-text-secondary);
}

.contact-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* --- Form --- */
.contact-form {
    background: var(--color-white);
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
}

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    letter-spacing: 0.01em;
}

.form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-primary);
    font-size: 0.92rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
    -webkit-appearance: none;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
    background: var(--color-white);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

select.form-control {
    cursor: pointer;
    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='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}

/* --- Footer --- */
.footer {
    background: #0F172A;
    padding: var(--space-4xl) 0 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--space-lg);
}

.footer-brand .brand-text {
    color: var(--color-white);
}

.footer-text {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer-heading {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-lg);
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--duration-fast);
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    margin-top: var(--space-3xl);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--duration-fast);
}

.footer-social a:hover {
    color: var(--color-primary-light);
    border-color: var(--color-primary);
    background: rgba(56, 189, 248, 0.1);
}

/* --- Reveal Animations --- */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.7s cubic-bezier(0.33, 1, 0.68, 1);
    transition-delay: var(--delay, 0s);
}

.reveal-up {
    transform: translateY(30px);
}

.reveal-left {
    transform: translateX(-30px);
}

.reveal-right {
    transform: translateX(30px);
}

.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
    opacity: 1;
    transform: translate(0, 0);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }

    .hero-scroll-video {
        display: none;
    }

    .hero-scroll-overlay {
        background: #0F172A;
    }

    .scroll-line {
        display: none;
    }
}

/* --- Responsive: Tablet --- */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background: rgba(15, 23, 42, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 24px;
        border-radius: var(--radius-lg);
        margin-top: 12px;
        border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .navbar.scrolled .navbar-collapse {
        background: rgba(255, 255, 255, 0.97);
        border-color: var(--color-border-light);
    }

    .navbar.scrolled .nav-link {
        color: var(--color-text-secondary);
    }

    .navbar.scrolled .nav-link:hover {
        color: var(--color-text);
        background: var(--color-primary-subtle);
    }

    .btn-nav-cta {
        margin-left: 0;
        margin-top: 8px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }

    .cta-box {
        padding: 40px 24px;
    }

    .about-floating-card {
        display: none;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 575.98px) {
    .section {
        padding: var(--space-4xl) 0;
    }

    .section-header {
        margin-bottom: var(--space-3xl);
    }

    .hero-scroll-content {
        padding-top: 80px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

    .hero-actions .btn-primary,
    .hero-actions .btn-outline {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .tech-item {
        padding: 20px 12px;
    }

    .tech-icon-wrapper {
        width: 44px;
        height: 44px;
    }

    .tech-icon-wrapper svg {
        width: 28px;
        height: 28px;
    }

    .process-line {
        left: 20px;
    }

    .step-number {
        width: 42px;
        height: 42px;
        font-size: 0.75rem;
    }

    .process-step {
        gap: 18px;
    }

    .contact-form {
        padding: 24px;
    }

    .cta-box {
        padding: 32px 20px;
    }

    .cta-content h2 {
        font-size: 1.6rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .service-card {
        padding: 24px;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}