/* ==========================================================================
   Cloud5 — Styles
   Pure CSS, no frameworks. Mobile-first, responsive to 4K+.
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #0f0f0f;
    --accent: #FF6600;
    --accent-light: #FF8533;
    --accent-dark: #CC5200;
    --accent-glow: rgba(255, 102, 0, 0.15);
    --accent-glow-strong: rgba(255, 102, 0, 0.35);
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-muted: #888888;
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 102, 0, 0.3);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --container-max: 1200px;
    --section-padding: clamp(4rem, 8vw, 8rem);
    --header-height: 72px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--header-height);
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: clamp(0.9375rem, 0.5vw + 0.85rem, 1.125rem);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

a:hover {
    color: var(--accent-light);
}

ul {
    list-style: none;
}

address {
    font-style: normal;
}

/* ---------- Utility ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}

.text-accent {
    color: var(--accent);
    text-shadow: 0 0 40px rgba(255, 102, 0, 0.25);
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background: transparent;
    transition: background var(--transition-medium), box-shadow var(--transition-medium);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.88);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    backdrop-filter: blur(16px) saturate(180%);
    box-shadow: 0 1px 0 var(--border-subtle);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 3vw, 2.5rem);
}

.nav__logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav__logo-img {
    height: clamp(32px, 4vw, 48px);
    width: auto;
    filter: brightness(0) invert(1);
    transition: filter var(--transition-fast);
}

.nav__logo-img:hover {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px var(--accent-glow-strong));
}

.nav__links {
    display: flex;
    align-items: center;
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.nav__link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-medium);
}

.nav__link:hover,
.nav__link.active {
    color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link--cta {
    background: var(--accent);
    color: var(--text-primary) !important;
    padding: 0.5rem 1.25rem;
    border-radius: 100px;
    font-size: 0.8125rem;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background: var(--accent-light);
    color: var(--text-primary) !important;
}

/* Mobile Nav Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 4px;
}

.nav__toggle-bar {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--bg-primary);
}

.hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* AI Figure — decorative background element */
.hero__ai-figure {
    position: absolute;
    right: -5%;
    bottom: -10%;
    width: clamp(350px, 55vw, 800px);
    height: auto;
    z-index: 1;
    pointer-events: none;
    opacity: 0.18;
    mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 85%),
                linear-gradient(to top, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 30%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 85%),
                        linear-gradient(to top, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 30%);
    mask-composite: intersect;
    -webkit-mask-composite: source-in;
    animation: aiFigurePulse 8s ease-in-out infinite;
}

.hero__ai-figure img {
    width: 100%;
    height: auto;
    display: block;
}

@keyframes aiFigurePulse {
    0%, 100% { opacity: 0.18; transform: scale(1) translateY(0); }
    50% { opacity: 0.25; transform: scale(1.02) translateY(-8px); }
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
}

.hero__orb--orange {
    width: clamp(300px, 40vw, 600px);
    height: clamp(300px, 40vw, 600px);
    background: radial-gradient(circle, rgba(255, 102, 0, 0.12) 0%, transparent 70%);
    top: 10%;
    right: -5%;
    animation: orbDrift1 20s ease-in-out infinite;
}

.hero__orb--blue {
    width: clamp(250px, 35vw, 500px);
    height: clamp(250px, 35vw, 500px);
    background: radial-gradient(circle, rgba(60, 60, 180, 0.06) 0%, transparent 70%);
    bottom: 5%;
    left: -5%;
    animation: orbDrift2 25s ease-in-out infinite;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 clamp(1.25rem, 3vw, 2.5rem);
    max-width: 900px;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.hero__title {
    font-size: clamp(2.25rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
}

.hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.375rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.5s both;
}

.hero__cta {
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.7s both;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 1s cubic-bezier(0.22, 1, 0.36, 1) 1.2s both;
}

.hero__scroll-text {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 100px;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn--primary:hover {
    background: var(--accent-light);
    color: var(--text-primary);
    box-shadow: 0 8px 30px var(--accent-glow-strong);
    transform: translateY(-2px);
}

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

.btn--full {
    width: 100%;
}

.btn__arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.75rem;
    padding: 0.375rem 1rem;
    background: var(--accent-glow);
    border-radius: 100px;
    border: 1px solid rgba(255, 102, 0, 0.15);
}

.section-header__title {
    font-size: clamp(1.75rem, 4vw, 3.25rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-header__desc {
    font-size: clamp(0.9375rem, 1.2vw, 1.125rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ---------- Services ---------- */
.services {
    padding: var(--section-padding) 0;
    position: relative;
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(1.5rem, 3vw, 2rem);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    overflow: hidden;
    transition: transform var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}

.service-card__image {
    margin: calc(clamp(1.5rem, 3vw, 2.5rem) * -1);
    margin-bottom: 0;
    overflow: hidden;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.service-card__image img {
    width: 100%;
    height: clamp(180px, 20vw, 260px);
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.service-card:hover .service-card__image img {
    transform: scale(1.05);
}

.service-card__body {
    padding-top: clamp(1.25rem, 2vw, 1.75rem);
}

.service-card__glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity var(--transition-medium);
    pointer-events: none;
    border-radius: var(--border-radius);
    z-index: 0;
}

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

.service-card__icon {
    width: clamp(48px, 5vw, 64px);
    height: clamp(48px, 5vw, 64px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid rgba(255, 102, 0, 0.12);
    border-radius: 12px;
    margin-bottom: 1.25rem;
    color: var(--accent);
    position: relative;
    z-index: 1;
}

.service-card__icon svg {
    width: 60%;
    height: 60%;
}

.service-card__title {
    font-size: clamp(1.125rem, 1.5vw, 1.5rem);
    font-weight: 600;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.service-card__desc {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.service-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.tag {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 100px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.service-card:hover .tag {
    border-color: rgba(255, 102, 0, 0.15);
    color: var(--text-secondary);
}

/* ---------- Partners ---------- */
.partners {
    padding: var(--section-padding) 0;
    background: var(--bg-secondary);
}

.partners__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: clamp(1rem, 2vw, 1.5rem);
}

.partner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: transform var(--transition-medium);
}

.partner:hover {
    transform: translateY(-4px);
}

/* Logo wrap: icon + text side by side */
.partner__logo-wrap {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1vw, 0.75rem);
    padding: clamp(0.75rem, 1.5vw, 1.25rem) clamp(1.25rem, 2vw, 2rem);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    transition: all var(--transition-medium);
    min-width: clamp(140px, 15vw, 200px);
    justify-content: center;
}

.partner:hover .partner__logo-wrap {
    border-color: var(--border-hover);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 20px var(--accent-glow);
}

.partner__logo-wrap svg {
    width: clamp(28px, 3vw, 40px);
    height: clamp(28px, 3vw, 40px);
    flex-shrink: 0;
}

.partner__logo-text {
    font-size: clamp(1rem, 1.5vw, 1.375rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.partner__name {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    text-transform: uppercase;
    transition: color var(--transition-medium);
}

.partner:hover .partner__name {
    color: var(--text-secondary);
}

.partner[data-float-delay="0"] { animation: float 6s ease-in-out infinite; }
.partner[data-float-delay="1"] { animation: float 6s ease-in-out 0.8s infinite; }
.partner[data-float-delay="2"] { animation: float 6s ease-in-out 1.6s infinite; }
.partner[data-float-delay="3"] { animation: float 6s ease-in-out 2.4s infinite; }
.partner[data-float-delay="4"] { animation: float 6s ease-in-out 3.2s infinite; }

/* ---------- Industries ---------- */
.industries {
    padding: var(--section-padding) 0;
    position: relative;
}

.industries__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1rem, 2vw, 1.5rem);
}

.industry-card {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card);
    transition: transform var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
}

.industry-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 30px var(--accent-glow);
}

.industry-card__image {
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.industry-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.industry-card:hover .industry-card__image img {
    transform: scale(1.08);
}

.industry-card__title {
    padding: clamp(0.75rem, 1.5vw, 1.25rem);
    font-size: clamp(0.875rem, 1.2vw, 1.125rem);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.02em;
}

@media (min-width: 768px) {
    .industries__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .industries__grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ---------- Contact ---------- */
.contact {
    padding: var(--section-padding) 0;
    position: relative;
}

.contact__centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .contact__centered {
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
        gap: clamp(3rem, 6vw, 6rem);
    }
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(2rem, 4vw, 3rem);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__detail {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border: 1px solid rgba(255, 102, 0, 0.12);
    border-radius: 10px;
    color: var(--accent);
}

.contact__detail-icon svg {
    width: 20px;
    height: 20px;
}

.contact__detail-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.contact__detail-value {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    transition: color var(--transition-fast);
}

a.contact__detail-value:hover {
    color: var(--accent);
}

.contact__address {
    font-style: normal;
}

.contact__map {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.contact__map iframe {
    display: block;
}

/* ---------- Form ---------- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    outline: none;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: rgba(255, 255, 255, 0.05);
}

.form-input.error {
    border-color: #ff3333;
    box-shadow: 0 0 0 3px rgba(255, 51, 51, 0.15);
}

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

/* ---------- Footer ---------- */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border-subtle);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer__logo-img {
    height: 28px;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.footer__logo:hover .footer__logo-img {
    opacity: 0.8;
}

.footer__copy {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes orbDrift1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-30px, 20px); }
    66% { transform: translate(20px, -30px); }
}

@keyframes orbDrift2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(25px, -15px); }
    66% { transform: translate(-20px, 25px); }
}

@keyframes scrollLine {
    0% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50% { opacity: 0.3; transform: scaleY(0.3); transform-origin: top; }
    100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px var(--accent-glow); }
    50% { box-shadow: 0 0 40px var(--accent-glow-strong); }
}

/* ---------- Responsive: Tablet (768px+) ---------- */
@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ---------- Responsive: Desktop (1024px+) ---------- */
@media (min-width: 1024px) {
    .nav__toggle {
        display: none !important;
    }

    .nav__links {
        display: flex !important;
        position: static;
        flex-direction: row;
        background: none;
        padding: 0;
        width: auto;
        height: auto;
    }
}

/* ---------- Responsive: Large Desktop (1440px+) ---------- */
@media (min-width: 1440px) {
    :root {
        --container-max: 1320px;
    }
}

/* ---------- Responsive: Full HD (1920px+) ---------- */
@media (min-width: 1920px) {
    :root {
        --container-max: 1440px;
    }
}

/* ---------- Responsive: QHD / Ultrawide (2560px+) ---------- */
@media (min-width: 2560px) {
    :root {
        --container-max: 1600px;
    }

    .hero__ai-figure {
        width: 900px;
        opacity: 0.22;
    }

    body {
        font-size: 1.25rem;
    }

    .hero__title {
        font-size: 5.5rem;
    }

    .section-header__title {
        font-size: 4rem;
    }
}

/* ---------- Responsive: 4K / 56" TV (3840px+) ---------- */
@media (min-width: 3840px) {
    :root {
        --container-max: 2200px;
        --header-height: 100px;
        --border-radius: 24px;
        --border-radius-sm: 12px;
    }

    body {
        font-size: 1.5rem;
    }

    .hero__title {
        font-size: 7rem;
    }

    .hero__subtitle {
        font-size: 2rem;
    }

    .section-header__title {
        font-size: 5rem;
    }

    .section-header__label {
        font-size: 1rem;
    }

    .nav__link {
        font-size: 1.125rem;
    }

    .btn {
        padding: 1.25rem 3rem;
        font-size: 1.25rem;
    }

    .service-card {
        padding: 3.5rem;
    }

    .service-card__icon {
        width: 80px;
        height: 80px;
    }

    .form-input {
        padding: 1.25rem 1.5rem;
        font-size: 1.25rem;
    }

    .partner__logo-wrap {
        min-width: 220px;
        padding: 1.25rem 2.5rem;
    }

    .partner__logo-wrap svg {
        width: 48px;
        height: 48px;
    }

    .partner__logo-text {
        font-size: 1.5rem;
    }

    .contact__detail-icon {
        width: 60px;
        height: 60px;
    }

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

/* ---------- Responsive: Mobile Nav ---------- */
@media (max-width: 1023px) {
    .nav__toggle {
        display: flex;
    }

    .nav__links {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        height: 100dvh;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 2rem 2.5rem;
        background: rgba(10, 10, 10, 0.96);
        -webkit-backdrop-filter: blur(24px);
        backdrop-filter: blur(24px);
        transform: translateX(100%);
        transition: transform var(--transition-medium);
    }

    .nav__links.open {
        transform: translateX(0);
    }

    .nav__link {
        font-size: 1.25rem;
    }

    .nav__link--cta {
        margin-top: 1rem;
    }
}

/* ---------- Small Mobile (< 480px) ---------- */
@media (max-width: 479px) {
    .hero__title {
        font-size: 2rem;
    }

    .hero__ai-figure {
        right: -15%;
        bottom: -5%;
        width: 300px;
        opacity: 0.12;
    }

    .partners__grid {
        flex-direction: column;
        gap: 2rem;
    }

    .contact__map iframe {
        height: 200px;
    }
}

/* ---------- 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 {
        opacity: 1;
        transform: none;
    }

    .hero__content {
        animation: none;
    }

    .hero__subtitle,
    .hero__cta,
    .hero__scroll {
        animation: none;
    }

    .hero__ai-figure {
        animation: none;
    }
}