/* ========================================================
   NAWASENA ECO BERDAYA — Design System & Landing Page CSS
   v2 — Dynamic Slideshow Hero, Photo Cards, Team Layout
   ======================================================== */

/* ── CSS Variables / Design Tokens ── */
:root {
    --teal: #3EB4C0;
    --teal-dark: #2C9AA5;
    --teal-darker: #1E7A83;
    --teal-light: #6FCCD5;
    --teal-lightest: #E8F7F9;
    --gold: #F5B041;
    --gold-dark: #D4922B;
    --gold-light: #F8C976;
    --gold-lightest: #FFF5E0;
    --navy: #002147;
    --dark: #1A1A2E;
    --grey-800: #333333;
    --grey-600: #555555;
    --grey-400: #888888;
    --grey-200: #D1D5DB;
    --grey-100: #F0F2F4;
    --grey-50: #F8F9F9;
    --white: #FFFFFF;
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.25rem;
    --fs-xl: 1.5rem;
    --fs-2xl: 2rem;
    --fs-3xl: 2.5rem;
    --fs-4xl: 3.25rem;
    --lh-tight: 1.2;
    --lh-normal: 1.6;
    --lh-relaxed: 1.8;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md: 0 4px 14px rgba(0,0,0,.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
    --shadow-xl: 0 20px 50px rgba(0,0,0,.12);
    --shadow-teal: 0 8px 32px rgba(62,180,192,.25);
    --shadow-gold: 0 4px 20px rgba(245,176,65,.3);
    --transition-fast: 0.2s cubic-bezier(.4,0,.2,1);
    --transition-base: 0.3s cubic-bezier(.4,0,.2,1);
    --transition-slow: 0.5s cubic-bezier(.4,0,.2,1);
    --container-max: 1200px;
    --header-height: 80px;
}

/* ── Reset ── */
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale; }
body { font-family:var(--font-family); font-size:var(--fs-base); line-height:var(--lh-normal); color:var(--grey-800); background:var(--white); overflow-x:hidden; }
img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; transition:color var(--transition-fast); }
ul { list-style:none; }

/* ── Utilities ── */
.container { width:100%; max-width:var(--container-max); margin:0 auto; padding:0 var(--space-lg); }
.highlight--gold { color:var(--gold); }
.highlight--gold-light { color:var(--gold-light); }

/* ── Button System ── */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:var(--space-sm);
    font-family:var(--font-family); font-weight:700; border:none; border-radius:var(--radius-full);
    cursor:pointer; transition:all var(--transition-base); white-space:nowrap; text-align:center; line-height:1;
}
.btn--cta {
    background:linear-gradient(135deg,var(--gold),var(--gold-dark));
    color:var(--teal-darker); padding:14px 32px; font-size:var(--fs-sm);
    box-shadow:var(--shadow-gold); position:relative; overflow:hidden;
}
.btn--cta::before {
    content:''; position:absolute; top:0; left:-100%; width:100%; height:100%;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);
    transition:left .6s ease;
}
.btn--cta:hover::before { left:100%; }
.btn--cta:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(245,176,65,.45); }
.btn--cta:active { transform:translateY(0); }
.btn--lg { padding:18px 40px; font-size:var(--fs-base); }
.btn--outline {
    background:transparent; color:var(--white); border:2px solid rgba(255,255,255,.6);
    padding:16px 38px; font-size:var(--fs-base); font-weight:600; border-radius:var(--radius-full);
}
.btn--outline:hover { background:var(--white); color:var(--teal-dark); border-color:var(--white); transform:translateY(-2px); }

/* Hero CTA — allow wrapping for longer text */
.btn--hero {
    white-space:normal;
    line-height:1.4;
    text-align:left;
    padding:18px 36px;
    font-size:var(--fs-base);
    border-radius:var(--radius-md);
    max-width:420px;
}

/* ── Section Header ── */
.section-header { text-align:center; max-width:680px; margin:0 auto var(--space-3xl); }
.section-header__tag {
    display:inline-block; font-size:var(--fs-xs); font-weight:700; text-transform:uppercase;
    letter-spacing:3px; color:var(--teal); background:var(--teal-lightest);
    padding:6px 18px; border-radius:var(--radius-full); margin-bottom:var(--space-md);
}
.section-header__title { font-size:var(--fs-3xl); font-weight:800; color:var(--teal-dark); line-height:var(--lh-tight); margin-bottom:var(--space-md); }
.section-header__subtitle { font-size:var(--fs-md); color:var(--grey-600); line-height:var(--lh-relaxed); }

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
.header {
    position:fixed; top:0; left:0; width:100%; height:var(--header-height); z-index:1000;
    background:rgba(255,255,255,.85); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(62,180,192,.08); transition:all var(--transition-base);
}
.header.scrolled { height:68px; box-shadow:var(--shadow-md); background:rgba(255,255,255,.95); }
.header__inner { display:flex; align-items:center; justify-content:space-between; height:100%; gap:var(--space-xl); }

.header__logo { display:flex; align-items:center; flex-shrink:0; z-index:1001; }
.logo-img { height:40px; width:auto; }
.header.scrolled .logo-img { height:34px; }

.header__nav { flex:1; display:flex; justify-content:center; }
.nav__list { display:flex; align-items:center; gap:var(--space-xs); }
.nav__link { font-size:var(--fs-sm); font-weight:600; color:var(--teal-darker); padding:8px 14px; border-radius:var(--radius-sm); transition:all var(--transition-fast); position:relative; }
.nav__link:hover, .nav__link.active { color:var(--teal); background:var(--teal-lightest); }
.nav__link--dropdown { display:flex; align-items:center; gap:4px; }
.dropdown-chevron { transition:transform var(--transition-fast); }

.nav__item--dropdown { position:relative; }
/* Invisible hover bridge — prevents dropdown from vanishing when cursor crosses the gap */
.nav__item--dropdown::after {
    content: ''; position: absolute; top: 100%; left: 0;
    width: 100%; height: 14px; z-index: 1;
}
.nav__dropdown {
    position:absolute; top:calc(100% + 4px); left:50%; transform:translateX(-50%) translateY(4px);
    min-width:240px; background:var(--white); border-radius:var(--radius-md);
    box-shadow:var(--shadow-xl); border:1px solid rgba(62,180,192,.1); padding:var(--space-sm);
    opacity:0; visibility:hidden; pointer-events:none; transition:all 0.25s ease;
}
.nav__item--dropdown:hover .nav__dropdown { opacity:1; visibility:visible; pointer-events:all; transform:translateX(-50%) translateY(0); }
.nav__item--dropdown:hover .dropdown-chevron { transform:rotate(180deg); }
.dropdown__link { display:block; padding:10px 16px; font-size:var(--fs-sm); font-weight:500; color:var(--grey-800); border-radius:var(--radius-sm); transition:all var(--transition-fast); }
.dropdown__link:hover { background:var(--teal-lightest); color:var(--teal-dark); padding-left:22px; }

.header__cta { flex-shrink:0; font-size:var(--fs-sm); padding:12px 28px; }

.header__hamburger { display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; z-index:1001; }
.hamburger__line { width:24px; height:2.5px; background:var(--teal-dark); border-radius:2px; transition:all var(--transition-base); transform-origin:center; }
.header__hamburger.active .hamburger__line:nth-child(1) { transform:translateY(7.5px) rotate(45deg); }
.header__hamburger.active .hamburger__line:nth-child(2) { opacity:0; transform:scaleX(0); }
.header__hamburger.active .hamburger__line:nth-child(3) { transform:translateY(-7.5px) rotate(-45deg); }

/* ═══════════════════════════════════════════
   HERO — FULLSCREEN SLIDESHOW
   ═══════════════════════════════════════════ */
.hero {
    position:relative;
    width:100%;
    height:100vh;
    min-height:600px;
    overflow:hidden;
    display:flex;
    align-items:center;
}

/* Slideshow */
.hero__slideshow {
    position:absolute; inset:0; z-index:0;
}

.hero__slide {
    position:absolute; inset:0;
    background-size:cover;
    background-position:center;
    opacity:0;
    transform:scale(1.08);
    transition:opacity 1.2s ease, transform 7s ease;
}

.hero__slide::after {
    content:'';
    position:absolute; inset:0;
    background:linear-gradient(
        135deg,
        rgba(0,0,0,.45) 0%,
        rgba(0,0,0,.30) 50%,
        rgba(0,0,0,.35) 100%
    );
    z-index:1;
}

.hero__slide.active {
    opacity:1;
    transform:scale(1);
}

.hero__slide-overlay {
    /* Kept for backward compatibility — now handled by ::after pseudo-element */
    display:none;
}

/* Slide Indicators */
.hero__slide-indicators {
    position:absolute;
    bottom:140px;
    left:50%;
    transform:translateX(-50%);
    display:flex;
    gap:12px;
    z-index:10;
}

.slide-indicator {
    width:40px; height:4px;
    background:rgba(255,255,255,.35);
    border:none; border-radius:2px;
    cursor:pointer;
    transition:all var(--transition-base);
    padding:0;
}

.slide-indicator.active {
    background:var(--gold);
    width:60px;
}

.slide-indicator:hover {
    background:rgba(255,255,255,.7);
}

/* Hero Content */
.hero__inner {
    position:relative;
    z-index:5;
    display:flex;
    align-items:center;
    width:100%;
    min-height:100vh;
    padding-top:var(--header-height);
}

.hero__content {
    max-width:680px;
    animation:fadeInUp .8s ease-out;
}

.hero__pre-headline {
    display:inline-block; font-size:var(--fs-sm); font-weight:700; text-transform:uppercase;
    letter-spacing:3px; color:var(--gold); margin-bottom:var(--space-md);
    position:relative; padding-left:40px;
}
.hero__pre-headline::before { content:''; position:absolute; left:0; top:50%; width:30px; height:2px; background:var(--gold); transform:translateY(-50%); }

.hero__headline {
    font-size:var(--fs-4xl); font-weight:800; color:var(--white);
    line-height:var(--lh-tight); margin-bottom:var(--space-lg); letter-spacing:-.5px;
    text-shadow:0 2px 20px rgba(0,0,0,.2);
}

.hero__subheadline {
    font-size:var(--fs-md); color:rgba(255,255,255,.88); line-height:var(--lh-relaxed);
    margin-bottom:var(--space-lg); max-width:620px;
}

/* Service Pills */
.hero__services-list {
    display:flex; flex-wrap:wrap; gap:8px; margin-bottom:var(--space-xl);
}
.hero__service-pill {
    display:inline-block; font-size:var(--fs-xs); font-weight:600;
    color:var(--white); background:rgba(255,255,255,.15);
    backdrop-filter:blur(6px); -webkit-backdrop-filter:blur(6px);
    padding:6px 16px; border-radius:var(--radius-full);
    border:1px solid rgba(255,255,255,.25); transition:all var(--transition-fast);
}
.hero__service-pill:hover {
    background:rgba(255,255,255,.25); border-color:rgba(255,255,255,.4); transform:translateY(-1px);
}
.hero__subheadline strong { color:var(--white); }

.hero__cta-group { display:flex; flex-direction:column; align-items:flex-start; gap:var(--space-sm); }
.hero__cta-note { font-size:var(--fs-sm); color:rgba(255,255,255,.7); font-weight:500; padding-left:4px; }

/* Scroll Down */
.hero__scroll-down {
    position:absolute; bottom:140px; right:48px; z-index:10;
    display:flex; flex-direction:column; align-items:center; gap:8px;
    color:rgba(255,255,255,.6); font-size:var(--fs-xs); text-transform:uppercase; letter-spacing:2px;
}

.scroll-mouse {
    width:24px; height:38px; border:2px solid rgba(255,255,255,.4);
    border-radius:12px; position:relative;
}

.scroll-wheel {
    width:4px; height:8px; background:rgba(255,255,255,.6); border-radius:2px;
    position:absolute; top:6px; left:50%; transform:translateX(-50%);
    animation:scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%,100% { opacity:1; transform:translateX(-50%) translateY(0); }
    50% { opacity:.3; transform:translateX(-50%) translateY(12px); }
}

/* Hero Wave */
.hero__wave { position:absolute; bottom:-2px; left:0; width:100%; line-height:0; z-index:6; }
.hero__wave svg { width:100%; height:100px; }

/* ═══════════════════════════════════════════
   PROBLEM SECTION
   ═══════════════════════════════════════════ */
.problem {
    background:linear-gradient(135deg,var(--teal-dark),var(--teal),var(--teal-dark));
    padding:var(--space-4xl) 0; position:relative; overflow:hidden;
}
.problem::before {
    content:''; position:absolute; top:-50%; right:-20%; width:500px; height:500px; border-radius:50%;
    background:radial-gradient(circle,rgba(245,176,65,.08),transparent 70%); pointer-events:none;
}
.problem__inner { max-width:800px; margin:0 auto; text-align:center; position:relative; }
.problem__decoration { margin-bottom:var(--space-xl); }
.problem__deco-icon { animation:spin-slow 15s linear infinite; }
.problem__headline { font-size:var(--fs-3xl); font-weight:800; color:var(--white); line-height:var(--lh-tight); margin-bottom:var(--space-xl); }
.problem__text { font-size:var(--fs-md); color:rgba(255,255,255,.9); line-height:var(--lh-relaxed); margin-bottom:var(--space-3xl); }
.problem__text strong { color:var(--gold-light); }

.problem__stats { display:grid; grid-template-columns:repeat(3,1fr); gap:var(--space-lg); }
.stat-card {
    background:rgba(255,255,255,.1); backdrop-filter:blur(8px); border-radius:var(--radius-md);
    padding:var(--space-xl) var(--space-md); border:1px solid rgba(255,255,255,.15); transition:all var(--transition-base);
}
.stat-card:hover { background:rgba(255,255,255,.16); transform:translateY(-4px); }
.stat-card__number { display:block; font-size:var(--fs-3xl); font-weight:800; color:var(--gold); margin-bottom:var(--space-xs); }
.stat-card__label { font-size:var(--fs-sm); color:rgba(255,255,255,.85); font-weight:500; }

/* ═══════════════════════════════════════════
   SERVICES — PHOTO CARDS
   ═══════════════════════════════════════════ */
.services {
    padding:var(--space-4xl) 0;
    background:var(--grey-50);
}

.services__grid {
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:var(--space-xl);
}

.service-card {
    background:var(--white);
    border-radius:var(--radius-lg);
    overflow:hidden;
    border:1px solid rgba(62,180,192,.08);
    transition:all var(--transition-base);
    display:flex;
    flex-direction:column;
}

.service-card:hover {
    transform:translateY(-8px);
    box-shadow:var(--shadow-xl);
    border-color:transparent;
}

.service-card__image {
    width:100%;
    height:220px;
    overflow:hidden;
    position:relative;
}

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

.service-card:hover .service-card__image img {
    transform:scale(1.06);
}

.service-card__body {
    padding:var(--space-xl) var(--space-xl) var(--space-2xl);
    flex:1;
    display:flex;
    flex-direction:column;
}

.service-card__title {
    font-size:var(--fs-lg); font-weight:700; color:var(--navy);
    margin-bottom:var(--space-md); line-height:var(--lh-tight);
}

.service-card__desc {
    font-size:var(--fs-sm); color:var(--grey-600); line-height:var(--lh-relaxed);
    margin-bottom:var(--space-lg); flex:1;
}

.service-card__link {
    display:inline-flex; align-items:center; gap:6px; font-size:var(--fs-sm);
    font-weight:600; color:var(--teal); transition:all var(--transition-fast);
}
.service-card__link:hover { color:var(--teal-dark); gap:10px; }

/* ═══════════════════════════════════════════
   WHY CHOOSE US — WITH TEAM PHOTO
   ═══════════════════════════════════════════ */
.why-us {
    padding:var(--space-4xl) 0;
    background:var(--white);
}

.why-us__layout {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:var(--space-3xl);
    align-items:center;
}

.why-us__image {
    position:relative;
    border-radius:var(--radius-lg);
    overflow:hidden;
}

.why-us__image img {
    width:100%;
    height:100%;
    object-fit:cover;
    border-radius:var(--radius-lg);
    min-height:460px;
}

.why-us__image-accent {
    position:absolute;
    bottom:-16px;
    right:-16px;
    width:120px;
    height:120px;
    background:linear-gradient(135deg,var(--gold),var(--gold-light));
    border-radius:var(--radius-lg);
    z-index:-1;
}

.why-us__grid {
    display:flex;
    flex-direction:column;
    gap:var(--space-xl);
}

.why-card {
    padding:var(--space-xl);
    border-radius:var(--radius-lg);
    background:linear-gradient(145deg,var(--white),var(--teal-lightest));
    border:1px solid rgba(62,180,192,.12);
    transition:all var(--transition-base);
}
.why-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-teal); border-color:var(--teal-light); }

.why-card__number {
    font-size:var(--fs-2xl); font-weight:800; color:var(--teal-lightest);
    line-height:1; margin-bottom:var(--space-sm); transition:color var(--transition-base);
}
.why-card:hover .why-card__number { color:rgba(62,180,192,.15); }

.why-card__title {
    display:flex; align-items:center; gap:var(--space-sm);
    font-size:var(--fs-lg); font-weight:700; color:var(--teal-dark); margin-bottom:var(--space-sm);
}
.why-card__icon { flex-shrink:0; }
.why-card__desc { font-size:var(--fs-sm); color:var(--grey-600); line-height:var(--lh-relaxed); }
.why-card__desc strong { color:var(--teal-dark); }

/* ═══════════════════════════════════════════
   CTA BANNER
   ═══════════════════════════════════════════ */
.cta-banner {
    background:linear-gradient(135deg,var(--teal-dark) 0%,var(--teal) 50%,var(--teal-dark) 100%);
    padding:var(--space-4xl) 0; position:relative; overflow:hidden;
}
.cta-banner::before {
    content:''; position:absolute; top:-100px; left:-100px; width:300px; height:300px; border-radius:50%;
    background:radial-gradient(circle,rgba(245,176,65,.15),transparent 70%); pointer-events:none;
}
.cta-banner::after {
    content:''; position:absolute; bottom:-80px; right:-60px; width:250px; height:250px; border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.06),transparent 70%); pointer-events:none;
}
.cta-banner__inner { display:flex; align-items:center; justify-content:space-between; gap:var(--space-3xl); position:relative; z-index:2; }
.cta-banner__title { font-size:var(--fs-3xl); font-weight:800; color:var(--white); line-height:var(--lh-tight); margin-bottom:var(--space-md); }
.cta-banner__text { font-size:var(--fs-md); color:rgba(255,255,255,.85); line-height:var(--lh-relaxed); max-width:560px; }
.cta-banner__text strong { color:var(--gold-light); }
.cta-banner__actions { display:flex; gap:var(--space-md); flex-shrink:0; flex-direction:column; }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer { background:linear-gradient(180deg,var(--teal-darker),#165A62); color:var(--white); padding-top:var(--space-4xl); }
.footer__inner { display:grid; grid-template-columns:2fr 1fr 1.5fr; gap:var(--space-3xl); padding-bottom:var(--space-3xl); }
.footer__logo { margin-bottom:var(--space-md); }
.footer__logo-img { height:36px; width:auto; filter:brightness(0) invert(1); opacity:.9; }
.footer__tagline { font-size:var(--fs-lg); font-weight:700; color:var(--white); margin-bottom:var(--space-sm); }
.footer__desc { font-size:var(--fs-sm); color:rgba(255,255,255,.7); line-height:var(--lh-relaxed); margin-bottom:var(--space-xl); max-width:340px; }
.footer__socials { display:flex; gap:var(--space-sm); }
.footer__social { width:40px; height:40px; border-radius:var(--radius-sm); background:rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center; color:rgba(255,255,255,.7); transition:all var(--transition-fast); }
.footer__social:hover { background:var(--gold); color:var(--teal-darker); transform:translateY(-2px); }
.footer__heading { font-size:var(--fs-sm); font-weight:700; text-transform:uppercase; letter-spacing:2px; color:var(--gold); margin-bottom:var(--space-lg); }
.footer__links li { margin-bottom:var(--space-sm); }
.footer__links a { font-size:var(--fs-sm); color:rgba(255,255,255,.7); transition:all var(--transition-fast); }
.footer__links a:hover { color:var(--white); padding-left:6px; }
.footer__contact li { display:flex; gap:var(--space-sm); align-items:flex-start; font-size:var(--fs-sm); color:rgba(255,255,255,.7); margin-bottom:var(--space-md); line-height:var(--lh-normal); }
.footer__contact svg { flex-shrink:0; margin-top:2px; color:var(--gold); }
.footer__contact a { color:rgba(255,255,255,.7); }
.footer__contact a:hover { color:var(--white); }
.footer__bottom { border-top:1px solid rgba(255,255,255,.1); padding:var(--space-lg) 0; }
.footer__bottom-inner { text-align:center; font-size:var(--fs-xs); color:rgba(255,255,255,.5); }

/* ═══════════════════════════════════════════
   WHATSAPP FLOATING BUTTON
   ═══════════════════════════════════════════ */
.wa-float {
    position:fixed;
    bottom:28px;
    right:28px;
    width:60px;
    height:60px;
    background:#25D366;
    border-radius:50%;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 4px 20px rgba(37,211,102,.4);
    z-index:999;
    transition:all var(--transition-base);
    animation:wa-pulse 2s ease-in-out infinite;
}
.wa-float:hover {
    transform:scale(1.1);
    box-shadow:0 6px 28px rgba(37,211,102,.55);
}

@keyframes wa-pulse {
    0%,100% { box-shadow:0 4px 20px rgba(37,211,102,.4); }
    50% { box-shadow:0 4px 20px rgba(37,211,102,.4), 0 0 0 12px rgba(37,211,102,.1); }
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeInUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
@keyframes spin-slow { from { transform:rotate(0deg); } to { transform:rotate(360deg); } }

.animate-on-scroll { opacity:0; transform:translateY(40px); transition:opacity .7s ease-out, transform .7s ease-out; }
.animate-on-scroll.visible { opacity:1; transform:translateY(0); }
.animate-on-scroll.delay-1 { transition-delay:.1s; }
.animate-on-scroll.delay-2 { transition-delay:.2s; }
.animate-on-scroll.delay-3 { transition-delay:.3s; }
.animate-on-scroll.delay-4 { transition-delay:.4s; }
.animate-on-scroll.delay-5 { transition-delay:.5s; }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width:1024px) {
    :root { --fs-4xl:2.5rem; --fs-3xl:2rem; }

    .header__nav {
        position:fixed; top:0; left:0; width:100%; height:100vh;
        background:rgba(255,255,255,.98); backdrop-filter:blur(20px);
        display:flex; align-items:center; justify-content:center;
        opacity:0; visibility:hidden; pointer-events:none; transition:all var(--transition-base);
    }
    .header__nav.open { opacity:1; visibility:visible; pointer-events:all; }
    .nav__list { flex-direction:column; gap:var(--space-sm); text-align:center; }
    .nav__link { font-size:var(--fs-lg); padding:12px 20px; }
    .nav__dropdown { position:static; transform:none; box-shadow:none; border:none; background:var(--teal-lightest); border-radius:var(--radius-sm); max-height:0; overflow:hidden; transition:max-height var(--transition-base),opacity var(--transition-base); opacity:0; }
    .nav__item--dropdown.open .nav__dropdown { max-height:400px; opacity:1; visibility:visible; pointer-events:all; margin-top:var(--space-sm); }
    .header__hamburger { display:flex; }
    .header__cta { display:none; }

    .hero__content { max-width:100%; }
    .hero__scroll-down { display:none; }

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

    .why-us__layout { grid-template-columns:1fr; }
    .why-us__image img { min-height:320px; }

    .cta-banner__inner { flex-direction:column; text-align:center; }
    .cta-banner__text { max-width:100%; }
    .cta-banner__actions { align-items:center; }

    .footer__inner { grid-template-columns:1fr 1fr; }
    .footer__col--brand { grid-column:1/-1; }
}

@media (max-width:640px) {
    :root { --fs-4xl:2rem; --fs-3xl:1.65rem; --fs-2xl:1.4rem; --space-4xl:4rem; }
    .container { padding:0 var(--space-md); }
    .hero__headline { font-size:var(--fs-2xl); }
    .hero__slide-indicators { bottom:120px; }
    .btn--lg { padding:16px 28px; font-size:var(--fs-sm); }
    .problem__stats { grid-template-columns:1fr; gap:var(--space-md); }
    .services__grid { grid-template-columns:1fr; }
    .service-card__image { height:180px; }
    .why-card { padding:var(--space-lg); }
    .cta-banner__actions { flex-direction:column; width:100%; }
    .cta-banner__actions .btn { width:100%; }
    .footer__inner { grid-template-columns:1fr; gap:var(--space-2xl); }
    .wa-float { width:52px; height:52px; bottom:20px; right:20px; }
    .wa-float svg { width:24px; height:24px; }
}

@media print {
    .header,.hero__wave,.cta-banner,.wa-float,.hero__slideshow { display:none; }
    body { color:#000; background:#fff; }
}