@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&display=swap");
/* ══════════════════════════════════════════════════════════
   ELYADE ENERGY - SHARED STYLESHEET
   ══════════════════════════════════════════════════════════ */

:root {
    --gold: #D4A03C;
    --gold-light: #e8b44a;
    --green: #1B3B2F;
    --green-deep: #0f2219;
    --bg: #080812;
    --card: rgba(255,255,255,0.04);
    --card-hover: rgba(255,255,255,0.07);
    --border: rgba(212,160,60,0.15);
    --border-hover: rgba(212,160,60,0.4);
    --muted: rgba(255,255,255,0.65);
    --text: rgba(255,255,255,0.9);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-weight: 400;
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
}

a { color: var(--gold); text-decoration: none; transition: color .3s; }
a:hover { color: var(--gold-light); }

/* ══════════ COSMIC BG + STARS ══════════ */
.cosmic-bg {
    position: fixed; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(27,59,47,0.25), transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(14,116,144,0.1), transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(27,59,47,0.15), transparent 50%),
        var(--bg);
}
#stars { position: fixed; inset: 0; z-index: 0; }
.wrap { position: relative; z-index: 1; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }

/* ══════════ HEADER ══════════ */
header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
    background: rgba(8,8,18,0.88);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    padding: 14px 0;
    transition: all .3s ease;
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1140px; margin: 0 auto; padding: 0 28px;
}
.logo {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.5rem; font-weight: 700;
    color: #fff; text-decoration: none;
    letter-spacing: -0.02em;
}
.logo span { color: var(--gold); }

nav { display: flex; align-items: center; gap: 22px; }
nav a {
    color: var(--muted); text-decoration: none;
    font-size: 0.82rem; font-weight: 400;
    letter-spacing: 0.02em;
    transition: color .3s;
    position: relative;
}
nav a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--gold);
    transition: width .3s;
}
nav a:hover { color: var(--gold); }
nav a:hover::after { width: 100%; }
nav a.active { color: var(--gold); }
nav a.active::after { width: 100%; }

.lang-sw { display: flex; gap: 6px; margin-left: 14px; }
.lbtn {
    background: none; border: 1.5px solid transparent;
    border-radius: 6px; padding: 4px 10px;
    font-size: .78rem; font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-weight: 500; color: var(--muted);
    cursor: pointer; transition: all .3s;
    letter-spacing: .04em;
}
.lbtn.active { border-color: var(--gold); background: rgba(212,160,60,0.1); color: var(--gold); }

.hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; background: none; border: none; padding: 8px;
}
.hamburger span { width: 22px; height: 1.5px; background: #fff; transition: all .3s; }

.mobile-nav {
    display: none; position: fixed; inset: 0; z-index: 99;
    background: rgba(8,8,18,0.97);
    backdrop-filter: blur(30px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 28px;
}
.mobile-nav.active { display: flex; }
.mobile-nav a {
    color: #fff; font-size: 1.15rem; text-decoration: none;
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.mobile-nav .close-btn {
    position: absolute; top: 20px; right: 20px;
    background: none; border: none; color: #fff; font-size: 1.8rem; cursor: pointer;
}

/* ══════════ SECTIONS COMMON ══════════ */
section { padding: 100px 0; }
.section-badge {
    display: inline-block;
    padding: 7px 22px;
    border: 1px solid var(--border-hover);
    border-radius: 50px;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--gold);
    margin-bottom: 20px;
    font-weight: 500;
}
.section-title {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 2.6rem; font-weight: 700;
    margin-bottom: 14px; line-height: 1.2;
    letter-spacing: -0.01em;
}
.section-sub {
    color: var(--muted); font-size: 1rem;
    max-width: 580px; margin: 0 auto 48px;
    line-height: 1.7;
}
.text-center { text-align: center; }
.gold { color: var(--gold); }

/* ══════════ PAGE HERO (subpages) ══════════ */
.page-hero {
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
}
.page-hero .section-title { font-size: 3rem; margin-bottom: 18px; }
.page-hero .section-sub { margin-bottom: 0; }

/* ══════════ HOME HERO ══════════ */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    padding-top: 100px; position: relative; overflow: hidden;
}
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slide {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0; animation: heroFade 30s infinite;
    will-change: opacity, transform;
}
.hero-slide:nth-child(1) { animation-delay: 0s; }
.hero-slide:nth-child(2) { animation-delay: 6s; }
.hero-slide:nth-child(3) { animation-delay: 12s; }
.hero-slide:nth-child(4) { animation-delay: 18s; }
.hero-slide:nth-child(5) { animation-delay: 24s; }
@keyframes heroFade {
    0% { opacity:0; transform:scale(1); }
    3% { opacity:1; }
    17% { opacity:1; transform:scale(1.06); }
    20% { opacity:0; }
    100% { opacity:0; }
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(8,8,18,0.6) 0%, rgba(8,8,18,0.8) 100%);
    z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 680px; }
.hero h1 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 3.2rem; font-weight: 700;
    line-height: 1.15; margin-bottom: 22px;
}
.hero h1 em { color: var(--gold); font-style: italic; }
.hero p {
    color: var(--muted); font-size: 1.05rem;
    margin-bottom: 32px; max-width: 540px; line-height: 1.8;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ══════════ BUTTONS ══════════ */
.cta-btn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--gold); color: var(--bg);
    padding: 13px 32px; border-radius: 8px;
    font-weight: 600; text-decoration: none; font-size: 0.92rem;
    transition: all .3s; border: none; cursor: pointer;
    letter-spacing: 0.01em; font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.cta-btn:hover { background: var(--gold-light); color: var(--bg); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,160,60,0.2); }

.cta-btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--gold);
    padding: 13px 32px; border-radius: 8px;
    font-weight: 500; text-decoration: none; font-size: 0.92rem;
    transition: all .3s; border: 1px solid var(--border-hover);
    cursor: pointer; font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.cta-btn-outline:hover { background: rgba(212,160,60,0.08); color: var(--gold); transform: translateY(-2px); }

.cta-btn-sm {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent; color: var(--gold);
    padding: 9px 22px; border-radius: 6px;
    font-weight: 500; text-decoration: none; font-size: 0.84rem;
    transition: all .3s; border: 1px solid var(--border);
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.cta-btn-sm:hover { border-color: var(--gold); background: rgba(212,160,60,0.06); }

/* ══════════ GRIDS ══════════ */
.grid2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.grid3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }

/* ══════════ CARDS ══════════ */
.gc {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 28px;
    backdrop-filter: blur(10px);
    transition: all .35s ease;
}
.gc:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(212,160,60,0.06);
    background: var(--card-hover);
}
.gc .icon { font-size: 1.8rem; margin-bottom: 14px; }
.gc h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.15rem; color: var(--gold);
    margin-bottom: 10px; font-weight: 600;
}
.gc p { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }
.gc .detail-text {
    color: var(--muted); font-size: 0.88rem; line-height: 1.8;
    margin-top: 12px; padding-top: 12px;
    border-top: 1px solid var(--border);
}

/* Industry mini cards */
.ic {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 20px 14px;
    text-align: center; backdrop-filter: blur(10px);
    transition: all .3s;
}
.ic:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.ic .icon { font-size: 1.8rem; margin-bottom: 8px; }
.ic p { font-size: 0.84rem; font-weight: 500; }

/* ══════════ ENERGY MOSAIC ══════════ */
.energy-section { padding: 80px 0 60px; }
.energy-mosaic {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    grid-auto-rows: 200px;
    gap: 10px; margin-top: 44px;
}
.energy-tile {
    position: relative; overflow: hidden;
    border-radius: 12px; background-size: cover; background-position: center;
    transition: transform .5s, box-shadow .5s;
}
.energy-tile:hover { transform: scale(1.02); box-shadow: 0 12px 40px rgba(212,160,60,0.15); }
.energy-tile.tall { grid-row: span 2; }
.energy-tile.wide { grid-column: span 2; }
.energy-tile::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(transparent 25%, rgba(0,0,0,0.8));
    transition: background .4s;
}
.energy-tile:hover::after { background: linear-gradient(transparent 10%, rgba(212,160,60,0.35)); }
.energy-tile .elabel {
    position: absolute; bottom: 14px; left: 16px; z-index: 1;
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.05rem; color: #fff; font-weight: 600;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    transition: transform .4s;
}
.energy-tile .eicon {
    position: absolute; top: 12px; right: 12px; z-index: 1;
    font-size: 1.3rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.4));
}
.energy-tile .esub {
    position: absolute; bottom: 14px; left: 16px; z-index: 1;
    font-size: 0.72rem; color: rgba(255,255,255,0.8);
    transform: translateY(20px); opacity: 0;
    transition: all .4s;
}
.energy-tile:hover .esub { transform: translateY(0); opacity: 1; }
.energy-tile:hover .elabel { transform: translateY(-16px); }

/* ══════════ FORMATION TABS ══════════ */
.ftabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 28px; }
.ftab {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px; padding: 9px 18px;
    color: var(--muted); cursor: pointer; font-size: 0.84rem;
    transition: all .3s; font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.ftab.active { background: rgba(212,160,60,0.12); border-color: var(--gold); color: var(--gold); }
.fpanel { display: none; }
.fpanel.active { display: block; }
.fpanel ul { list-style: none; display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.fpanel li {
    padding: 11px 14px; background: var(--card);
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 0.86rem; color: var(--muted);
}
.fpanel li::before { content: '\25B8 '; color: var(--gold); }

/* ══════════ ACCORDION ══════════ */
.ac {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden;
    margin-bottom: 10px; transition: all .3s; cursor: pointer;
}
.ac:hover { border-color: var(--border-hover); }
.ac-head {
    padding: 18px 22px; display: flex;
    justify-content: space-between; align-items: center;
}
.ac-head h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.05rem; color: var(--gold); font-weight: 600;
}
.ac-head .arrow { color: var(--gold); transition: transform .3s; font-size: 1rem; }
.ac.open .arrow { transform: rotate(180deg); }
.ac-body { max-height: 0; overflow: hidden; transition: max-height .4s ease; padding: 0 22px; }
.ac.open .ac-body { max-height: 500px; padding: 0 22px 18px; }
.ac-body p { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }

/* ══════════ FOUNDER ══════════ */
.founder { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.photo-portrait {
    width: 220px; max-width: 100%; border-radius: 16px;
    overflow: hidden; border: 2px solid var(--gold);
    margin: 0 auto 22px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.photo-portrait img {
    width: 100%; height: auto; display: block;
    transition: filter .4s;
}
.photo-portrait:hover img { filter: brightness(1.05); }
.photo-circle {
    width: 180px; height: 180px; border-radius: 50%;
    overflow: hidden; border: 2px solid var(--gold);
    margin: 0 auto 22px;
}
.photo-circle img {
    width: 100%; height: 100%; object-fit: cover;
    filter: grayscale(0.15);
    transition: filter .4s;
}
.photo-circle:hover img { filter: grayscale(0); }
.photo-fallback {
    width: 160px; height: 160px; border-radius: 50%;
    border: 2px solid var(--gold);
    display: flex; align-items: center; justify-content: center;
    background: rgba(212,160,60,0.08); margin: 0 auto 22px;
}
.photo-fallback span {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 2.5rem; color: var(--gold);
}
.founder-left { text-align: center; }
.stats { display: flex; gap: 28px; justify-content: center; margin-top: 28px; }
.stat { text-align: center; }
.stat .num {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 2rem; color: var(--gold); font-weight: 700;
}
.stat .label { font-size: 0.76rem; color: var(--muted); margin-top: 4px; }
.etymology {
    border-left: 3px solid var(--gold);
    padding: 14px 18px; margin-top: 22px;
    background: rgba(212,160,60,0.04);
    border-radius: 0 8px 8px 0;
    font-size: 0.9rem; color: var(--muted); line-height: 1.7;
}
.career-highlights { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.career-tag {
    display: inline-block;
    padding: 5px 14px; border-radius: 6px;
    font-size: 0.78rem; font-weight: 500;
    background: rgba(212,160,60,0.08);
    border: 1px solid var(--border);
    color: var(--muted);
}

/* ══════════ TIMELINE (fondateur detail) ══════════ */
.timeline { position: relative; padding-left: 32px; margin-top: 48px; }
.timeline::before {
    content: ''; position: absolute; left: 10px; top: 0; bottom: 0;
    width: 1px; background: var(--border-hover);
}
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before {
    content: ''; position: absolute; left: -26px; top: 6px;
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--gold); border: 2px solid var(--bg);
}
.timeline-item h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.1rem; color: var(--gold); margin-bottom: 4px;
}
.timeline-item .period {
    font-size: 0.78rem; color: var(--gold); opacity: 0.7;
    margin-bottom: 8px; font-weight: 500;
}
.timeline-item p { color: var(--muted); font-size: 0.88rem; line-height: 1.7; }

/* ══════════ LINKEDIN PROOF ══════════ */
.linkedin-proof {
    max-width: 600px; margin: 0 auto;
    text-align: center; padding: 48px 32px;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px;
}
.linkedin-proof h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.6rem; margin-bottom: 14px;
}
.linkedin-proof p {
    color: var(--muted); font-size: 0.95rem; margin-bottom: 28px; line-height: 1.7;
}
.linkedin-btn-big {
    display: inline-flex; align-items: center; gap: 10px;
    background: #0A66C2; color: #fff;
    padding: 14px 36px; border-radius: 8px;
    font-weight: 600; text-decoration: none; font-size: 0.95rem;
    transition: all .3s;
}
.linkedin-btn-big:hover { background: #004182; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(10,102,194,0.25); }
.linkedin-btn-big svg { width: 20px; height: 20px; fill: currentColor; }

/* ══════════ CONTACT ══════════ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-form-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 32px;
}
.contact-form-box h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.3rem; color: var(--gold); margin-bottom: 20px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-size: 0.82rem; color: var(--muted);
    margin-bottom: 6px; font-weight: 500;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%; padding: 11px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 8px; color: #fff;
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif; font-size: 0.9rem;
    transition: border-color .3s; outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--gold); }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-group select option { background: var(--bg); }
.form-submit {
    width: 100%; padding: 13px; background: var(--gold); color: var(--bg);
    border: none; border-radius: 8px; font-weight: 600;
    font-size: 0.95rem; cursor: pointer; transition: all .3s;
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
}
.form-submit:hover { background: var(--gold-light); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.form-success { display: none; text-align: center; padding: 24px; color: var(--gold); font-weight: 500; }

.calendly-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 32px; text-align: center;
}
.calendly-box h3 {
    font-family: 'Avenir', 'Avenir Next LT Pro', 'Avenir Next', Montserrat, system-ui, sans-serif;
    font-size: 1.3rem; color: var(--gold); margin-bottom: 12px;
}
.calendly-box p { color: var(--muted); font-size: 0.9rem; margin-bottom: 22px; line-height: 1.7; }

/* ══════════ HOME SECTION PREVIEWS ══════════ */
.section-preview { padding: 80px 0; }
.preview-link {
    display: flex; align-items: center; justify-content: center;
    gap: 6px; margin-top: 32px;
}

/* ══════════ FOOTER ══════════ */
footer {
    text-align: center; padding: 36px 0;
    border-top: 1px solid rgba(255,255,255,0.04);
    color: rgba(255,255,255,0.35); font-size: 0.8rem;
}
footer a { color: var(--gold); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .footer-links { display: flex; gap: 20px; justify-content: center; margin-bottom: 12px; flex-wrap: wrap; }
footer .footer-links a { font-size: 0.8rem; color: var(--muted); }
footer .footer-links a:hover { color: var(--gold); }

/* ══════════ PARALLAX BG ══════════ */
.bg-parallax-1 {
    background: linear-gradient(rgba(8,8,18,0.87), rgba(8,8,18,0.93)),
    url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
}
.bg-parallax-2 {
    background: linear-gradient(rgba(8,8,18,0.88), rgba(8,8,18,0.94)),
    url('https://images.unsplash.com/photo-1581092160607-ee22621dd758?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
}
.bg-parallax-3 {
    background: linear-gradient(rgba(8,8,18,0.84), rgba(8,8,18,0.92)),
    url('https://images.unsplash.com/photo-1473341304170-971dccb5ac1e?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
}

/* ══════════ ANIMATIONS ══════════ */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity .6s, transform .6s; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ══════════ RESPONSIVE ══════════ */
@media (max-width: 1024px) {
    .grid4 { grid-template-columns: repeat(3,1fr); }
    .grid3 { grid-template-columns: repeat(2,1fr); }
    .founder { grid-template-columns: 1fr; text-align: center; }
    .energy-mosaic { grid-template-columns: repeat(3,1fr); }
    .energy-tile.wide { grid-column: span 1; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .energy-mosaic { grid-template-columns: repeat(2,1fr); }
    .energy-tile.tall { grid-row: span 1; }
    .grid4 { grid-template-columns: repeat(2,1fr); }
    .grid2 { grid-template-columns: 1fr; }
    .fpanel ul { grid-template-columns: 1fr; }
    nav { display: none; }
    .hamburger { display: flex; }
    .hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 2rem; }
    .page-hero .section-title { font-size: 2.2rem; }
    .founder { gap: 28px; }
    .stats { gap: 18px; }
    .contact-grid { grid-template-columns: 1fr; }
    .timeline { padding-left: 24px; }
}
@media (max-width: 480px) {
    .grid4 { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
    .section-title { font-size: 1.6rem; }
    .energy-mosaic { grid-template-columns: 1fr; }
    .energy-tile.wide, .energy-tile.tall { grid-column: span 1; grid-row: span 1; }
    .hero-btns { flex-direction: column; }
    .hero-btns a { text-align: center; }
}