/* ===========================
   CSS Custom Properties
   =========================== */
:root {
    --primary: #6c63ff;
    --primary-dark: #5a52d5;
    --secondary: #00d4aa;
    --dark: #0a0a0f;
    --dark-light: #1a1a2e;
    --gray: #8892b0;
    --light: #ccd6f6;
    --white: #e6f1ff;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
}

/* ===========================
   Utility
   =========================== */
.container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    border: none;
    cursor: pointer;
    text-align: center;
    min-height: 48px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.96);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(108, 99, 255, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid rgba(204, 214, 246, 0.25);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-phone {
    background: linear-gradient(135deg, var(--secondary), #00b894);
    color: var(--dark);
    font-weight: 700;
}

.btn-phone:hover {
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.3);
}

/* ===========================
   Touch Ripple (Mobile + Desktop)
   =========================== */
.ripple-btn {
    position: relative;
    overflow: hidden;
}

.ripple-btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-expand 0.6s ease-out forwards;
    pointer-events: none;
}

.tilt-card .ripple {
    background: rgba(108, 99, 255, 0.15);
}

@keyframes ripple-expand {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* ===========================
   Feature B: Spotlight Glow on Cards
   =========================== */
.glow-card {
    position: relative;
    overflow: hidden;
}

.glow-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    background: radial-gradient(
        300px circle at var(--glow-x, 50%) var(--glow-y, 50%),
        rgba(108, 99, 255, 0.15),
        transparent 60%
    );
    z-index: 1;
}

.glow-card:hover .glow-effect {
    opacity: 1;
}

/* ===========================
   Feature E: Layered 3D Depth on Hover
   =========================== */
.card-layer {
    position: relative;
    z-index: 2;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card-layer--icon {
    transition-delay: 0.02s;
}

.card-layer--title {
    transition-delay: 0.04s;
}

.card-layer--text {
    transition-delay: 0.06s;
}

/* Desktop only: activate 3D layers on hover */
@media (hover: hover) and (min-width: 900px) {
    .glow-card:hover .card-layer--icon {
        transform: translateZ(30px) translateY(-4px);
    }

    .glow-card:hover .card-layer--title {
        transform: translateZ(20px) translateY(-2px);
    }

    .glow-card:hover .card-layer--text {
        transform: translateZ(10px);
    }

    .glow-card {
        transform-style: preserve-3d;
        perspective: 800px;
    }
}

/* ===========================
   Feature D: Cursor Particle Trail
   =========================== */
.particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
    pointer-events: none;
    opacity: 0.8;
    animation: particle-fade 0.6s ease-out forwards;
}

.particle:nth-child(even) {
    background: var(--secondary);
    width: 4px;
    height: 4px;
}

@keyframes particle-fade {
    0% {
        opacity: 0.8;
        transform: scale(1) translate(0, 0);
    }
    100% {
        opacity: 0;
        transform: scale(0) translate(var(--drift-x, 10px), var(--drift-y, -10px));
    }
}

/* ===========================
   Feature F: Portfolio Image Reveal
   =========================== */
.image-reveal-wrapper {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.image-reveal-wrapper img {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), clip-path 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    clip-path: inset(0 0 0 0);
}

@media (hover: hover) and (min-width: 900px) {
    .image-reveal-wrapper img {
        clip-path: inset(8px 8px 8px 8px round 12px);
        transform: scale(1.08);
    }

    .portfolio-item:hover .image-reveal-wrapper img {
        clip-path: inset(0 0 0 0 round 0px);
        transform: scale(1);
    }
}

/* ===========================
   Feature A: Magnetic Button Styles
   =========================== */
.magnetic-btn {
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
}

/* ===========================
   Card Tilt on Touch (Mobile)
   =========================== */
.tilt-card {
    transform-style: preserve-3d;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

.tilt-card.tilting {
    transition: none;
}

/* ===========================
   Header / Navigation
   =========================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.site-header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    max-width: 1140px;
    margin: 0 auto;
}

.logo {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--light);
    transition: color var(--transition);
    padding: 4px 0;
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--primary);
}

.nav-cta {
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff !important;
    border-radius: 25px;
    font-weight: 600;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2.5px;
    background: var(--light);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-links.active {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: var(--dark);
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 99;
}

.nav-links.active a {
    font-size: 1.2rem;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 99, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 170, 0.08) 0%, transparent 50%),
        var(--dark);
    background-size: 200% 200%, 200% 200%, 100% 100%;
    animation: gradient-shift 8s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%, 100% 0%, 0% 0%; }
    50% { background-position: 100% 50%, 0% 100%, 0% 0%; }
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    will-change: transform;
    animation: orb-float 8s ease-in-out infinite alternate;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -80px;
    right: -80px;
}

.orb-2 {
    width: 240px;
    height: 240px;
    background: var(--secondary);
    bottom: -60px;
    left: -60px;
    animation-delay: 4s;
}

@keyframes orb-float {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(20px, -20px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(108, 99, 255, 0.1);
    border: 1px solid rgba(108, 99, 255, 0.25);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 56px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-top: 4px;
}

/* ===========================
   Sections
   =========================== */
section {
    padding: 72px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-subtitle {
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
}

.section-desc {
    font-size: 1rem;
    color: var(--gray);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===========================
   Fade In
   =========================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   Services
   =========================== */
.services {
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-card {
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: border-color var(--transition), box-shadow 0.3s ease;
}

.service-card:hover {
    border-color: rgba(108, 99, 255, 0.3);
    box-shadow: 0 12px 40px rgba(108, 99, 255, 0.1);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.service-card p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===========================
   Portfolio
   =========================== */
.portfolio {
    background: var(--dark-light);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin: 0;
}

.portfolio-item img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.portfolio-item figcaption {
    padding: 20px;
    background: rgba(10, 10, 15, 0.85);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
}

.portfolio-item figcaption h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.portfolio-item figcaption p {
    font-size: 0.85rem;
    color: var(--gray);
}

.portfolio-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    transition: color var(--transition);
}

.portfolio-link:hover {
    color: var(--primary);
}

.portfolio-item--soon::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 15, 0.4);
    pointer-events: none;
    z-index: 2;
}

.portfolio-item--soon img {
    filter: grayscale(0.3);
}

/* ===========================
   Process
   =========================== */
.process {
    background: var(--dark);
}

.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.process-step {
    text-align: center;
    padding: 24px 16px;
    background: rgba(26, 26, 46, 0.4);
    border: 1px solid rgba(108, 99, 255, 0.08);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition), box-shadow 0.3s ease;
}

.process-step:hover {
    border-color: rgba(108, 99, 255, 0.2);
}

.step-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.5), rgba(0, 212, 170, 0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.process-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.process-step p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ===========================
   Testimonials
   =========================== */
.testimonials {
    background: var(--dark-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.testimonial-card {
    background: rgba(10, 10, 15, 0.6);
    border: 1px solid rgba(108, 99, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: border-color var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(108, 99, 255, 0.25);
}

.testimonial-stars {
    color: #ffc107;
    font-size: 1rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.testimonial-card > p {
    color: var(--light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.testimonial-info cite {
    display: block;
    font-size: 0.9rem;
    font-style: normal;
    font-weight: 600;
    color: var(--white);
}

.testimonial-info span {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ===========================
   CTA
   =========================== */
.cta-section {
    background: var(--dark);
}

.cta-container {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.08), rgba(0, 212, 170, 0.08));
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 48px 24px;
    text-align: center;
}

.cta-container h2 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-container > p {
    font-size: 1rem;
    color: var(--gray);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

/* ===========================
   Footer
   =========================== */
.site-footer {
    border-top: 1px solid rgba(108, 99, 255, 0.1);
    padding: 40px 0;
    text-align: center;
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray);
    transition: color var(--transition);
    padding: 4px;
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--gray);
}

/* ===========================
   Mobile Sticky CTA
   =========================== */
.mobile-sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(108, 99, 255, 0.2);
    z-index: 90;
    text-align: center;
    display: block;
}

.mobile-sticky-cta .btn {
    width: 100%;
    max-width: 360px;
}

/* ===========================
   Focus Styles
   =========================== */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 2px;
}

/* ===========================
   Tablet (600px+)
   =========================== */
@media (min-width: 600px) {
    .container {
        padding: 0 32px;
    }

    section {
        padding: 96px 0;
    }

    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }

    .hero-stats {
        gap: 48px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-container {
        padding: 64px 40px;
    }

    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* ===========================
   Desktop (900px+)
   =========================== */
@media (min-width: 900px) {
    .site-header nav {
        padding: 18px 32px;
    }

    .nav-links {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .mobile-sticky-cta {
        display: none;
    }

    .hero {
        padding: 120px 0 80px;
    }

    section {
        padding: 112px 0;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-header {
        margin-bottom: 56px;
    }
}

/* Hide particles on mobile */
@media (max-width: 899px) {
    .particle-container {
        display: none;
    }
}

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

    .fade-in {
        opacity: 1;
        transform: none;
    }

    .gradient-orb {
        animation: none;
    }

    .hero {
        animation: none;
    }

    .tilt-card {
        transform: none !important;
    }

    .particle-container {
        display: none;
    }
}