/* Global theme variables */
:root {
    --color-bg: #f5f7fb;
    --color-surface: #ffffff;
    --color-surface-alt: #eef3ff;
    --color-accent: #28bdb3;
    --color-accent-alt: #ff8453;
    --color-text: #161931;
    --color-text-soft: #50566b;
    --color-border: rgba(26, 32, 64, 0.12);
    --gradient-primary: linear-gradient(135deg, #dceafe, #fafdff);
    --gradient-hero: radial-gradient(circle at 20% 15%, rgba(40, 189, 179, 0.24), rgba(255, 255, 255, 0) 55%),
                      radial-gradient(circle at 80% 20%, rgba(255, 132, 83, 0.22), rgba(255, 255, 255, 0) 65%),
                      #f9fbff;
    --shadow-soft: 0 18px 36px rgba(42, 55, 104, 0.12);
    --shadow-sharp: 0 30px 58px rgba(38, 54, 112, 0.16);
    --font-heading: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100%;
}

body {
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover,
a:focus {
    color: var(--color-accent-alt);
    text-decoration: underline;
}

/* Header */
header.site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(24, 33, 62, 0.08);
    box-shadow: 0 8px 18px rgba(37, 53, 104, 0.08);
}

.nav-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 22px;
    align-items: center;
}

.nav-links a {
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-soft);
    padding: 8px 12px;
    border-radius: 999px;
    transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.nav-links a:hover {
    background: rgba(40, 189, 179, 0.16);
    color: var(--color-text);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    border: 1px solid rgba(26, 36, 70, 0.14);
    background: rgba(244, 248, 255, 0.92);
    cursor: pointer;
    padding: 0;
    gap: 5px;
    position: relative;
    transition: background 0.3s ease;
}

.nav-toggle:hover {
    background: rgba(230, 238, 255, 1);
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Layout */
.content {
    padding: 0 28px 140px;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-top: 120px;
}

section:first-of-type {
    margin-top: 60px;
}

/* Hero */
.hero {
    position: relative;
    background: var(--gradient-hero);
    border-radius: 36px;
    overflow: hidden;
    padding: 68px 72px 66px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    box-shadow: var(--shadow-sharp);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 25% 25%, rgba(40, 189, 179, 0.18), transparent 55%),
                radial-gradient(circle at 75% 80%, rgba(255, 132, 83, 0.18), transparent 65%);
    pointer-events: none;
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.3rem);
    line-height: 1.1;
    margin: 0 0 20px;
    font-family: var(--font-heading);
    color: var(--color-text);
}

.hero p.lede {
    font-size: 1.12rem;
    color: var(--color-text-soft);
    margin: 0 0 26px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.btn-primary,
.btn-secondary {
    position: relative;
    z-index: 3;
    border: none;
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #29d6c9, #1d9d94);
    color: #043431;
    box-shadow: 0 18px 32px rgba(40, 189, 179, 0.26);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 22px 44px rgba(40, 189, 179, 0.32);
}

.btn-secondary {
    background: rgba(22, 31, 58, 0.08);
    color: var(--color-text);
    border: 1px solid rgba(24, 32, 60, 0.14);
}

.btn-secondary:hover {
    background: rgba(22, 31, 58, 0.13);
    transform: translateY(-3px);
}

.hero-visual {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual img {
    width: 100%;
    max-width: 360px;
    filter: drop-shadow(0 24px 36px rgba(50, 64, 114, 0.28));
}

/* Slider */
.slider {
    margin-top: 24px;
    border-radius: 26px;
    overflow: hidden;
    border: 1px solid rgba(30, 43, 88, 0.14);
    background: rgba(255, 255, 255, 0.94);
    position: relative;
}

.slider-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1);
}

.slide {
    min-width: 100%;
    padding: 28px 32px;
    display: grid;
    gap: 6px;
}

.slide h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text);
}

.slide p {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.95rem;
}

.slider-controls {
    position: absolute;
    inset: auto 24px 18px auto;
    display: flex;
    gap: 10px;
}

.slider-controls button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(32, 46, 90, 0.18);
    background: rgba(240, 244, 255, 0.9);
    color: var(--color-text);
    cursor: pointer;
    transition: background 0.3s ease;
}

.slider-controls button:hover {
    background: rgba(216, 229, 255, 1);
}

/* Metrics */
.metrics {
    display: grid;
    gap: 26px;
}

.metrics-header {
    max-width: 720px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 22px;
}

.metric-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 28px 24px;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-6px);
}

.metric-card strong {
    font-size: 2.1rem;
    display: block;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.metric-card span {
    font-size: 0.92rem;
    color: var(--color-text-soft);
}

.metric-card a {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.85rem;
}

/* Services */
.services {
    background: var(--color-surface-alt);
    border-radius: 30px;
    padding: 56px 52px;
    box-shadow: var(--shadow-soft);
}

.section-title {
    font-size: 2rem;
    margin: 0 0 14px;
    font-family: var(--font-heading);
    color: var(--color-text);
}

.section-lede {
    color: var(--color-text-soft);
    margin-bottom: 38px;
    max-width: 720px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}

.service-card {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 24px;
    padding: 28px 24px;
    border: 1px solid rgba(28, 38, 76, 0.14);
    display: grid;
    gap: 10px;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(40, 189, 179, 0.4);
    box-shadow: 0 18px 32px rgba(58, 72, 122, 0.14);
}

.service-card h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-text);
}

.service-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--color-text-soft);
    font-size: 0.92rem;
    display: grid;
    gap: 6px;
}

/* Accordion */
.accordion {
    display: grid;
    gap: 14px;
}

details {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 22px 24px;
    border: 1px solid rgba(28, 38, 76, 0.14);
    box-shadow: 0 18px 34px rgba(66, 82, 134, 0.12);
}

details summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 26px;
    color: var(--color-text);
}

details summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    margin: 16px 0 0;
    color: var(--color-text-soft);
}

/* Timeline */
.timeline {
    position: relative;
    margin-top: 42px;
    padding-left: 22px;
    border-left: 1px solid rgba(33, 46, 90, 0.24);
    display: grid;
    gap: 28px;
}

.timeline-step {
    position: relative;
    padding-left: 26px;
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-accent-alt);
    box-shadow: 0 0 0 6px rgba(255, 132, 83, 0.24);
}

.timeline-step h4 {
    margin: 0 0 6px;
    font-size: 1.05rem;
    color: var(--color-text);
}

.timeline-step p {
    margin: 0;
    color: var(--color-text-soft);
    font-size: 0.92rem;
}

/* Tech stack */
.tech-stack {
    display: grid;
    gap: 26px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.tech-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    border: 1px solid rgba(32, 46, 90, 0.16);
    padding: 28px 24px;
    display: grid;
    gap: 10px;
}

.tech-card span {
    font-size: 0.88rem;
    color: var(--color-text-soft);
}

/* Case highlight */
.case-highlight {
    background: linear-gradient(135deg, rgba(40, 189, 179, 0.16), rgba(229, 236, 255, 0.94));
    border-radius: 28px;
    padding: 48px 46px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.case-highlight h3 {
    margin-top: 0;
    color: var(--color-text);
}

.case-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.badge {
    border: 1px solid rgba(32, 46, 90, 0.2);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.8rem;
    color: var(--color-text-soft);
    background: rgba(255, 255, 255, 0.82);
}

/* Visual showcase */
.media-showcase {
    background: linear-gradient(135deg, rgba(240, 245, 255, 0.9), rgba(252, 252, 255, 0.95));
    border-radius: 40px;
    padding: 72px 60px;
    box-shadow: 0 24px 48px rgba(42, 58, 108, 0.14);
    position: relative;
    overflow: hidden;
}

.media-showcase::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(40, 189, 179, 0.12), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.media-showcase .section-header {
    position: relative;
    z-index: 2;
    max-width: 820px;
    margin-bottom: 48px;
}

.media-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 36px;
}

.media-card {
    background: #ffffff;
    border-radius: 28px;
    border: 1px solid rgba(32, 46, 90, 0.1);
    padding: 24px;
    display: grid;
    gap: 20px;
    box-shadow: 0 12px 32px rgba(56, 70, 120, 0.08);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.35s ease,
                border-color 0.35s ease;
    position: relative;
    overflow: visible;
}

.media-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-alt));
    opacity: 0;
    transition: opacity 0.35s ease;
    border-radius: 28px 28px 0 0;
}

.media-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 52px rgba(56, 70, 120, 0.16);
    border-color: rgba(40, 189, 179, 0.3);
}

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

.media-preview {
    background: linear-gradient(135deg, rgba(219, 228, 255, 0.4), rgba(240, 244, 255, 0.6));
    border-radius: 20px;
    border: 2px solid rgba(32, 46, 90, 0.12);
    overflow: hidden;
    position: relative;
    aspect-ratio: 16 / 10;
    box-shadow: inset 0 2px 8px rgba(38, 52, 96, 0.06);
}

.media-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.1) 100%);
    pointer-events: none;
}

.media-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.media-card:hover .media-preview img {
    transform: scale(1.08);
}

.media-card figcaption {
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--color-text-soft);
    padding: 0 4px;
}

/* CTA */
.cta-strip {
    margin-top: 90px;
    padding: 42px 44px;
    background: linear-gradient(135deg, rgba(255, 132, 83, 0.22), rgba(222, 232, 255, 0.92));
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}

.cta-strip h3 {
    margin: 0;
    font-size: 1.8rem;
    color: var(--color-text);
}

.cta-strip p {
    margin: 0;
    max-width: 540px;
    color: var(--color-text-soft);
}

.cta-strip .btn-primary {
    margin-top: 12px;
}

/* Contact */
.contact-wrap {
    margin-top: 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 34px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 28px;
    padding: 44px 46px;
    border: 1px solid rgba(32, 46, 90, 0.14);
    box-shadow: 0 18px 30px rgba(56, 72, 128, 0.12);
}

.contact-wrap h3 {
    margin-top: 0;
    color: var(--color-text);
}

.contact-context {
    display: grid;
    gap: 18px;
}

.contact-context p {
    margin: 0;
    color: var(--color-text-soft);
}

.contact-context ul {
    margin: 0;
    padding-left: 20px;
    display: grid;
    gap: 8px;
    color: var(--color-text-soft);
}

.contact-form {
    display: grid;
    gap: 18px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    font-size: 0.92rem;
    color: var(--color-text-soft);
}

.contact-form input,
.contact-form textarea {
    background: rgba(240, 244, 255, 0.86);
    border: 1px solid rgba(40, 56, 106, 0.16);
    border-radius: 14px;
    padding: 14px;
    font-size: 0.95rem;
    color: var(--color-text);
    font-family: var(--font-body);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: rgba(40, 189, 179, 0.6);
    box-shadow: 0 0 0 3px rgba(40, 189, 179, 0.14);
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

/* Footer */
footer.site-footer {
    margin-top: 110px;
    border-top: 1px solid rgba(32, 46, 90, 0.16);
    padding: 60px 28px 40px;
    background: rgba(238, 243, 255, 0.96);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
    color: var(--color-text-soft);
}

.footer-inner h4 {
    margin: 0 0 14px;
    color: var(--color-text);
}

.footer-inner ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
    font-size: 0.92rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 36px auto 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    color: rgba(50, 60, 92, 0.62);
    font-size: 0.85rem;
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 18px;
    border: 1px solid rgba(32, 46, 90, 0.18);
    padding: 20px 22px;
    box-shadow: 0 18px 40px rgba(44, 60, 112, 0.16);
    max-width: 320px;
    display: none;
    z-index: 120;
}

.cookie-banner p {
    margin: 0 0 14px;
    color: var(--color-text-soft);
    font-size: 0.88rem;
}

.cookie-banner button {
    border-radius: 999px;
    border: none;
    background: linear-gradient(135deg, #29d6c9, #1d9d94);
    color: #043431;
    font-weight: 600;
    padding: 10px 22px;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Responsive tweaks */
@media (max-width: 980px) {
    .hero {
        padding: 54px 38px;
    }
    .case-highlight {
        grid-template-columns: 1fr;
    }
    .cookie-banner {
        left: 24px;
        right: 24px;
    }
}

@media (max-width: 860px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 280px;
        max-width: 85vw;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border-left: 1px solid rgba(32, 46, 90, 0.12);
        box-shadow: -8px 0 32px rgba(38, 52, 102, 0.15);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 80px 24px 32px;
        transform: translateX(100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
                    opacity 0.35s ease;
        z-index: 90;
    }
    
    .nav-links.is-open {
        transform: translateX(0);
        opacity: 1;
        pointer-events: auto;
    }
    
    .nav-links a {
        padding: 14px 16px;
        border-radius: 10px;
        font-size: 1rem;
        margin-bottom: 4px;
    }
}

@media (max-width: 680px) {
    .nav-bar {
        padding: 16px 20px;
    }
    section {
        margin-top: 90px;
    }
    .content {
        padding: 0 18px 120px;
    }
    .hero {
        padding: 46px 28px;
    }
    .services {
        padding: 44px 28px;
    }
    .cta-strip {
        padding: 32px 26px;
    }
    .contact-wrap {
        padding: 36px 30px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }
    .slider-controls {
        position: static;
        justify-content: flex-end;
        margin: 0 18px 18px;
    }
}