/* SASHFRAME — Stylesheet completo */
:root {
    --color-navy: #0F2C4E;
    --color-navy-deep: #081D38;
    --color-navy-light: #1A4878;
    --color-steel: #2C3E50;
    --color-steel-light: #5A6873;
    --color-accent: #14B8A6;
    --color-accent-dark: #0E9488;
    --color-accent-bright: #2DD4BF;
    --color-aluminium: #A8B5C2;
    --color-grey-50: #F7F9FB;
    --color-grey-100: #EEF1F4;
    --color-grey-200: #DCE2E8;
    --color-grey-300: #B8C2CC;
    --color-text: #1A2433;
    --color-text-light: #5A6873;
    --color-white: #FFFFFF;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container-max: 1320px;
    --container-padding: 24px;
    --section-spacing: 120px;
    --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --t-fast: 150ms;
    --t-base: 300ms;
    --t-slow: 600ms;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; font-size: 16px; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-white); line-height: 1.6; overflow-x: hidden; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-fast) var(--ease); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; color: var(--color-navy); }
h1 { font-size: clamp(2.5rem, 5vw + 1rem, 5rem); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 3vw + 1rem, 3.5rem); }
h3 { font-size: clamp(1.5rem, 1.5vw + 1rem, 2rem); }
h4 { font-size: 1.25rem; }
p { font-size: 1rem; line-height: 1.7; color: var(--color-text-light); }
.lead { font-size: clamp(1.125rem, 1vw + 0.875rem, 1.375rem); color: var(--color-text-light); }

.eyebrow { display: inline-block; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.18em; color: var(--color-accent); margin-bottom: 16px; padding-left: 32px; position: relative; }
.eyebrow::before { content: ''; position: absolute; left: 0; top: 50%; width: 24px; height: 1px; background: var(--color-accent); }
.eyebrow--light { color: var(--color-aluminium); }
.eyebrow--light::before { background: var(--color-aluminium); }

.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.section { padding: var(--section-spacing) 0; }
.section--dark { background: var(--color-navy); color: var(--color-white); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-white); }
.section--dark p { color: var(--color-aluminium); }
.section--grey { background: var(--color-grey-50); }
.section-header { max-width: 720px; margin-bottom: 64px; }
.section-header--center { margin: 0 auto 64px; text-align: center; }
.section-header h2 { margin-bottom: 16px; }

.grid { display: grid; gap: 32px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width:968px){ .grid--3,.grid--4{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .grid--3,.grid--4{grid-template-columns:1fr;} :root{--section-spacing:64px;} }

.btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 32px; font-size: 0.9375rem; font-weight: 500; border-radius: 2px; transition: all var(--t-base) var(--ease); white-space: nowrap; cursor: pointer; }
.btn--primary { background: var(--color-accent); color: var(--color-white); }
.btn--primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(20, 184, 166, 0.3); }
.btn--secondary { background: transparent; color: var(--color-white); border: 1px solid rgba(255,255,255,0.3); }
.btn--secondary:hover { background: var(--color-white); color: var(--color-navy); }
.btn--ghost { background: transparent; color: var(--color-navy); padding: 0; font-weight: 600; }
.btn--ghost::after { content: '→'; margin-left: 8px; transition: transform var(--t-base); }
.btn--ghost:hover::after { transform: translateX(4px); }

/* ======= NAVBAR ======= */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 24px 0; background: rgba(11,30,63,0); backdrop-filter: blur(0); transition: all var(--t-base) var(--ease); }
.navbar.scrolled { background: rgba(11,30,63,0.95); backdrop-filter: blur(12px); padding: 14px 0; }
.navbar.navbar--solid { background: var(--color-navy); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.navbar__logo { padding: 4px 0; }
.navbar__logo img { height: 124px; width: auto; max-width: 580px; filter: drop-shadow(0 6px 20px rgba(0,0,0,0.45)) drop-shadow(0 0 40px rgba(20,184,166,0.18)); transition: height var(--t-base) var(--ease); }
.navbar.scrolled .navbar__logo img { height: 78px; filter: drop-shadow(0 3px 10px rgba(0,0,0,0.35)); }
.navbar__menu { display: flex; align-items: center; gap: 32px; }
.navbar__link { color: var(--color-white); font-size: 0.9375rem; font-weight: 500; opacity: 0.85; padding: 4px 0; position: relative; }
.navbar__link:hover, .navbar__link.active { opacity: 1; }
.navbar__link.active::after { content: ''; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--color-accent); }
.navbar__cta { padding: 10px 22px; font-size: 0.875rem; background: var(--color-accent); color: var(--color-white); border-radius: 2px; font-weight: 500; }
.navbar__cta:hover { background: var(--color-accent-dark); }

/* ======= LANGUAGE SWITCHER ======= */
.lang-switcher { display: flex; align-items: center; gap: 0; border: 1px solid rgba(255,255,255,0.2); border-radius: 2px; overflow: hidden; }
.lang-switcher button { padding: 6px 12px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.06em; color: var(--color-aluminium); background: transparent; transition: all var(--t-fast) var(--ease); border-right: 1px solid rgba(255,255,255,0.1); }
.lang-switcher button:last-child { border-right: none; }
.lang-switcher button:hover { color: var(--color-white); background: rgba(255,255,255,0.05); }
.lang-switcher button.active { background: var(--color-accent); color: var(--color-white); }

.navbar__toggle { display: none; flex-direction: column; gap: 5px; width: 28px; height: 28px; align-items: center; justify-content: center; }
.navbar__toggle span { width: 24px; height: 2px; background: var(--color-white); transition: all var(--t-base); }
.navbar__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle.active span:nth-child(2) { opacity: 0; }
.navbar__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width:1080px){ .navbar__menu .navbar__link{display:none;} .navbar__menu .navbar__cta{display:none;} .navbar__logo img { height: 88px; max-width: 420px; } .navbar.scrolled .navbar__logo img { height: 60px; } }
@media (max-width:640px){ .navbar__logo img { height: 64px; max-width: 300px; } .navbar.scrolled .navbar__logo img { height: 50px; } .navbar { padding: 16px 0; } }
@media (max-width:968px){
    .navbar__menu { position: fixed; top: 0; right: 0; height: 100vh; width: 100%; max-width: 380px; background: var(--color-navy-deep); flex-direction: column; align-items: flex-start; padding: 100px 32px 32px; gap: 24px; transform: translateX(100%); transition: transform var(--t-base) var(--ease); }
    .navbar__menu.active { transform: translateX(0); }
    .navbar__menu .navbar__link, .navbar__menu .navbar__cta { display: block; font-size: 1.5rem; }
    .navbar__menu .lang-switcher { margin-top: 20px; }
    .navbar__toggle { display: flex; z-index: 1001; }
}

/* ======= SOCIAL STICKY SIDEBAR ======= */
.social-sticky { position: fixed; left: 16px; top: 50%; transform: translateY(-50%); z-index: 100; display: flex; flex-direction: column; gap: 10px; padding: 14px 8px; background: rgba(15,44,78,0.92); backdrop-filter: blur(12px); border-radius: 4px; border: 1px solid rgba(255,255,255,0.08); }
.social-sticky a { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; color: var(--color-aluminium); border-radius: 2px; transition: all var(--t-fast) var(--ease); }
.social-sticky a:hover { background: var(--color-accent); color: var(--color-white); transform: scale(1.1); }
.social-sticky svg { width: 18px; height: 18px; }
@media (max-width:968px){ .social-sticky { display: none; } }

/* Footer social */
.footer-social { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.footer-social a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); color: var(--color-aluminium); border-radius: 2px; transition: all var(--t-fast) var(--ease); }
.footer-social a:hover { background: var(--color-accent); color: var(--color-white); border-color: var(--color-accent); transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }

/* ======= HERO ======= */
.hero { position: relative; min-height: 100vh; background: var(--color-navy-deep); color: var(--color-white); overflow: hidden; display: flex; align-items: center; padding: 200px 0 80px; }
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.45; }
.hero__bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(6,19,48,0.85) 0%, rgba(11,30,63,0.7) 50%, rgba(11,30,63,0.95) 100%); }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: center; }
.hero__content h1 { color: var(--color-white); margin-bottom: 24px; }
.hero__content h1 .highlight { color: var(--color-accent); font-style: italic; font-weight: 500; }
.hero__content p { color: var(--color-aluminium); font-size: 1.25rem; max-width: 520px; margin-bottom: 40px; }
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__stats { display: grid; gap: 32px; padding: 40px 32px; background: rgba(255,255,255,0.03); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.08); }
.hero__stat-value { font-family: var(--font-display); font-size: 3rem; font-weight: 700; color: var(--color-white); line-height: 1; margin-bottom: 8px; }
.hero__stat-value .unit { color: var(--color-accent); margin-left: 4px; }
.hero__stat-label { font-size: 0.875rem; color: var(--color-aluminium); text-transform: uppercase; letter-spacing: 0.04em; }
.hero__scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); z-index: 2; color: var(--color-aluminium); font-size: 0.75rem; letter-spacing: 0.18em; text-transform: uppercase; }
@media (max-width:968px){ .hero__inner{grid-template-columns:1fr;gap:48px;} .hero__stats{grid-template-columns:repeat(3,1fr);} .hero__stat-value{font-size:2rem;} }
@media (max-width:640px){ .hero__stats{grid-template-columns:1fr;} .hero__scroll{display:none;} }

/* ======= ABOUT ======= */
.about-block { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.about-block__media { position: relative; aspect-ratio: 4/5; background: var(--color-grey-100); overflow: hidden; }
.about-block__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.about-block:hover .about-block__media img { transform: scale(1.04); }
.about-block__media-tag { position: absolute; bottom: 24px; left: 24px; padding: 12px 20px; background: var(--color-accent); color: var(--color-white); font-size: 0.8125rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em; }
.about-block__content h2 { margin-bottom: 24px; }
.about-block__content p { margin-bottom: 16px; font-size: 1.0625rem; }
.about-block__features { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--color-grey-200); }
.about-block__feature h4 { font-size: 2.5rem; color: var(--color-accent); font-weight: 700; line-height: 1; margin-bottom: 8px; }
.about-block__feature p { font-size: 0.9375rem; margin: 0; }
@media (max-width:968px){ .about-block{grid-template-columns:1fr;gap:48px;} .about-block__media{aspect-ratio:3/2;} }

/* ======= PRODUCTS ======= */
.products { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--color-grey-200); border: 1px solid var(--color-grey-200); }
.product-card { background: var(--color-white); display: flex; flex-direction: column; transition: all var(--t-base) var(--ease); }
.product-card__media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--color-grey-100); }
.product-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease); }
.product-card:hover .product-card__media img { transform: scale(1.05); }
.product-card__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(11,30,63,0.5)); }
.product-card__number { position: absolute; top: 24px; left: 24px; z-index: 2; color: var(--color-white); font-family: var(--font-display); font-size: 0.8125rem; font-weight: 500; letter-spacing: 0.08em; }
.product-card__content { padding: 40px; flex: 1; display: flex; flex-direction: column; gap: 16px; }
.product-card__content h3 { margin: 0; transition: color var(--t-base); }
.product-card:hover .product-card__content h3 { color: var(--color-accent); }
.product-card__content p { flex: 1; }
.product-card__link { color: var(--color-navy); font-weight: 600; font-size: 0.9375rem; }
.product-card:hover .product-card__link { color: var(--color-accent); }
@media (max-width:768px){ .products{grid-template-columns:1fr;} .product-card__content{padding:28px;} }

/* ======= TECH ======= */
.tech { background: var(--color-navy); color: var(--color-white); position: relative; overflow: hidden; }
.tech::before { content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 50%; background: radial-gradient(circle at 100% 50%, rgba(20,184,166,0.12), transparent 70%); }
.tech__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.tech__content h2 { color: var(--color-white); margin-bottom: 24px; }
.tech__content p { color: var(--color-aluminium); margin-bottom: 32px; font-size: 1.0625rem; }
.tech__features { display: grid; gap: 24px; margin-top: 40px; }
.tech__feature { display: flex; gap: 20px; padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.08); }
.tech__feature:last-child { border-bottom: 1px solid rgba(255,255,255,0.08); }
.tech__feature-icon { flex-shrink: 0; width: 40px; height: 40px; color: var(--color-accent); }
.tech__feature h4 { color: var(--color-white); margin-bottom: 8px; font-size: 1.0625rem; }
.tech__feature p { color: var(--color-aluminium); font-size: 0.9375rem; margin: 0; }
.tech__media { position: relative; aspect-ratio: 4/5; overflow: hidden; border: 1px solid rgba(255,255,255,0.08); }
.tech__media img { width: 100%; height: 100%; object-fit: cover; }
.tech__media-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 32px; background: linear-gradient(to top, rgba(6,19,48,0.95), transparent); display: flex; align-items: center; gap: 16px; }
.tech__media-overlay-mark { width: 48px; height: 48px; background: var(--color-accent); display: flex; align-items: center; justify-content: center; color: var(--color-white); font-family: var(--font-display); font-weight: 700; }
.tech__media-overlay-text strong { display: block; color: var(--color-white); font-size: 0.9375rem; margin-bottom: 2px; }
.tech__media-overlay-text span { color: var(--color-aluminium); font-size: 0.8125rem; }
@media (max-width:968px){ .tech__inner{grid-template-columns:1fr;gap:48px;} .tech__media{aspect-ratio:3/2;} }

/* ======= REASONS / WHY ======= */
.reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-grey-200); }
.reason { background: var(--color-white); padding: 48px 40px; transition: background var(--t-base) var(--ease); }
.reason:hover { background: var(--color-navy); color: var(--color-white); }
.reason__number { font-family: var(--font-display); font-size: 0.8125rem; color: var(--color-accent); letter-spacing: 0.1em; margin-bottom: 24px; display: block; }
.reason__icon { width: 48px; height: 48px; color: var(--color-navy); margin-bottom: 32px; transition: color var(--t-base); }
.reason:hover .reason__icon { color: var(--color-accent); }
.reason h3 { font-size: 1.375rem; margin-bottom: 16px; transition: color var(--t-base); }
.reason:hover h3 { color: var(--color-white); }
.reason p { font-size: 0.9375rem; margin: 0; transition: color var(--t-base); }
.reason:hover p { color: var(--color-aluminium); }
@media (max-width:968px){ .reasons{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .reasons{grid-template-columns:1fr;} .reason{padding:36px 28px;} }

/* ======= PROCESS ======= */
.process { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.process::before { content: ''; position: absolute; top: 28px; left: 12.5%; right: 12.5%; height: 1px; background: var(--color-grey-300); }
.process-step { text-align: center; padding: 0 16px; position: relative; z-index: 1; }
.process-step__number { width: 56px; height: 56px; margin: 0 auto 24px; background: var(--color-white); border: 2px solid var(--color-navy); color: var(--color-navy); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; transition: all var(--t-base) var(--ease); }
.process-step:hover .process-step__number { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-white); transform: scale(1.05); }
.process-step h4 { margin-bottom: 8px; }
.process-step p { font-size: 0.9375rem; margin: 0; }
@media (max-width:768px){ .process{grid-template-columns:repeat(2,1fr);gap:32px;} .process::before{display:none;} }
@media (max-width:480px){ .process{grid-template-columns:1fr;} }

/* ======= CTA STRIP ======= */
.cta-strip { background: var(--color-navy); color: var(--color-white); padding: 96px 0; }
.cta-strip__inner { display: grid; grid-template-columns: 1.4fr auto; gap: 48px; align-items: center; }
.cta-strip h2 { color: var(--color-white); margin-bottom: 12px; max-width: 600px; }
.cta-strip p { color: var(--color-aluminium); font-size: 1.125rem; max-width: 600px; margin: 0; }
@media (max-width:768px){ .cta-strip__inner{grid-template-columns:1fr;} }

/* ======= FOOTER ======= */
.footer { background: var(--color-navy-deep); color: var(--color-aluminium); padding: 96px 0 32px; }
.footer__top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 64px; padding-bottom: 64px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer__brand { display: flex; flex-direction: column; gap: 24px; }
.footer__logo img { height: 100px; width: auto; max-width: 460px; filter: drop-shadow(0 3px 14px rgba(0,0,0,0.45)); }
.footer__brand p { color: var(--color-aluminium); font-size: 0.9375rem; max-width: 360px; margin: 0; }
.footer__col h5 { color: var(--color-white); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 24px; font-weight: 600; }
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a { color: var(--color-aluminium); font-size: 0.9375rem; }
.footer__col a:hover { color: var(--color-accent); }
.footer__bottom { padding-top: 32px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer__bottom p { font-size: 0.8125rem; color: var(--color-aluminium); margin: 0; opacity: 0.6; }
.footer__legal { display: flex; gap: 24px; font-size: 0.8125rem; }
.footer__legal a { color: var(--color-aluminium); opacity: 0.6; }
.footer__legal a:hover { opacity: 1; }
@media (max-width:968px){ .footer__top{grid-template-columns:1fr 1fr;gap:48px;} .footer__brand{grid-column:1/-1;} }
@media (max-width:640px){ .footer__top{grid-template-columns:1fr;} .footer{padding:64px 0 24px;} }

/* ======= ANIMATIONS ======= */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 800ms var(--ease), transform 800ms var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }