/* ============================================================
   110 Digital Labs — Landing Page Styles
   Design: Gradient & Vibrant (dark-to-coral)
   Approach: Mobile-first, CSS custom properties
   ============================================================ */

/* --- Design Tokens --- */
:root {
    --coral: #E84B6A;
    --coral-light: #FF6B8A;
    --coral-dark: #C73555;
    --amber: #FFB347;

    --gradient-hero: linear-gradient(135deg, #0f0c29 0%, #302b63 40%, #E84B6A 100%);
    --gradient-text: linear-gradient(90deg, #E84B6A, #FF6B8A, #FFB347);
    --gradient-card: linear-gradient(145deg, rgba(232, 75, 106, 0.08), rgba(255, 107, 138, 0.03));
    --gradient-btn: linear-gradient(135deg, #E84B6A, #FF6B8A);
    --gradient-btn-hover: linear-gradient(135deg, #C73555, #E84B6A);

    --bg-dark: #0a0a0f;
    --bg-section: #0f0f18;
    --bg-section-alt: #12121e;
    --bg-card: #161622;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(232, 75, 106, 0.3);

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    --container-max: 1200px;
    --nav-height: 72px;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 800ms;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Section Shared --- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--coral-light);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-btn);
    color: #fff;
    box-shadow: 0 4px 20px rgba(232, 75, 106, 0.3);
}

.btn-primary:hover {
    background: var(--gradient-btn-hover);
    box-shadow: 0 6px 30px rgba(232, 75, 106, 0.45);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--coral);
    background: rgba(232, 75, 106, 0.08);
    transform: translateY(-2px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: transparent;
    transition: background var(--duration-fast) ease,
                box-shadow var(--duration-fast) ease;
}

.navbar.is-scrolled {
    background: rgba(10, 10, 15, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.nav-logo img {
    display: block;
    transition: opacity var(--duration-fast) ease;
}

.nav-logo:hover img {
    opacity: 0.8;
}

/* Hamburger */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--duration-fast) ease;
    transform-origin: center;
}

.nav-toggle.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15, 15, 24, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    transition: right var(--duration-normal) var(--ease-out);
}

.nav-menu.is-open {
    right: 0;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease;
}

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

.nav-cta {
    color: var(--coral-light);
}

.nav-cta:hover {
    color: var(--coral);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding: calc(var(--nav-height) + var(--space-lg)) var(--space-md) var(--space-xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/wall-brick.jpeg');
    background-size: cover;
    background-position: center;
    opacity: 0.04;
    mix-blend-mode: overlay;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10, 10, 15, 0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.hero-logo {
    margin: 0 auto var(--space-lg);
    filter: drop-shadow(0 4px 20px rgba(232, 75, 106, 0.3));
    animation: fadeInDown 1s var(--ease-out) forwards;
}

.hero-title {
    font-size: clamp(2rem, 5.5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    animation: fadeInUp 1s var(--ease-out) 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto var(--space-lg);
    animation: fadeInUp 1s var(--ease-out) 0.4s both;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
    animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
    animation: fadeInUp 1s var(--ease-out) 1s both;
}

.hero-scroll-indicator span {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* Hero keyframes */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.4;
        transform: scaleY(1);
    }
    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

/* ============================================================
   THE PROBLEM
   ============================================================ */
.problem {
    padding: var(--space-2xl) 0;
    background: var(--bg-section);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: border-color var(--duration-normal) var(--ease-out);
}

.problem-card:hover {
    border-color: var(--border-hover);
}

.problem-icon {
    color: var(--coral);
    margin-bottom: var(--space-sm);
}

.problem-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--space-xs);
}

.problem-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.problem-note {
    text-align: center;
    font-size: 1rem;
    font-style: italic;
    color: var(--text-muted);
    margin-top: var(--space-xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
    padding: var(--space-2xl) 0;
    background: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--duration-normal) var(--ease-out),
                border-color var(--duration-normal) var(--ease-out);
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
}

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

.service-icon {
    color: var(--coral);
    margin-bottom: var(--space-md);
    position: relative;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
    position: relative;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
    position: relative;
}

.service-tags li {
    background: rgba(232, 75, 106, 0.1);
    color: var(--coral-light);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

/* ============================================================
   ABOUT / WHY US
   ============================================================ */
.about {
    padding: var(--space-2xl) 0;
    background: var(--bg-section-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-content .section-tag {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

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

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--coral-light);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Brick wall image with coral overlay */
.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 3 / 2;
}

.about-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
}

.about-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(232, 75, 106, 0.15), rgba(15, 12, 41, 0.35));
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
    padding: var(--space-2xl) 0;
    background: var(--bg-dark);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto;
}

/* Honeypot — hidden from real users */
.form-honey {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

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

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color var(--duration-fast) ease,
                box-shadow var(--duration-fast) ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--coral);
    box-shadow: 0 0 0 3px rgba(232, 75, 106, 0.15);
}

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

.form-error {
    display: block;
    font-size: 0.8rem;
    color: var(--coral);
    margin-top: 4px;
    min-height: 1.2em;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.05rem;
    margin-top: var(--space-xs);
}

.btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.spinner {
    animation: spin 1s linear infinite;
}

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

.form-status {
    text-align: center;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    margin-top: var(--space-md);
    font-weight: 500;
}

.form-status.success {
    background: rgba(74, 222, 128, 0.1);
    color: #4ade80;
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.form-status.error {
    background: rgba(232, 75, 106, 0.1);
    color: var(--coral-light);
    border: 1px solid rgba(232, 75, 106, 0.2);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    padding: var(--space-xl) 0 var(--space-lg);
    background: var(--bg-section);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-brand img {
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--duration-fast) ease;
}

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

.footer-contact a {
    font-size: 0.9rem;
    color: var(--coral-light);
    transition: color var(--duration-fast) ease;
}

.footer-contact a:hover {
    color: var(--coral);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: all var(--duration-fast) ease;
}

.social-link:hover {
    background: rgba(232, 75, 106, 0.15);
    color: var(--coral-light);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

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

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

[data-animate].is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

[data-animate][data-delay="100"] { transition-delay: 100ms; }
[data-animate][data-delay="200"] { transition-delay: 200ms; }
[data-animate][data-delay="300"] { transition-delay: 300ms; }

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

/* Tablet: >= 640px */
@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }

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

    .about-stats {
        flex-direction: row;
        gap: var(--space-lg);
    }

    .problem-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Desktop: >= 1024px */
@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        width: auto;
        height: auto;
        background: transparent;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        flex-direction: row;
        justify-content: flex-end;
        padding: 0;
        gap: var(--space-lg);
    }

    .nav-link {
        font-size: 0.9rem;
    }

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

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

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* Large: >= 1280px */
@media (min-width: 1280px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ============================================================
   ACCESSIBILITY: Reduced Motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-logo,
    .hero-title,
    .hero-subtitle,
    .hero-actions,
    .hero-scroll-indicator {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .scroll-line {
        animation: none;
    }

    .spinner {
        animation-duration: 0.01ms;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}