:root {
    --yellow: #F4B804;
    --yellow-light: #FFF4C8;
    --yellow-dark: #D49E00;
    --dark: #212121;
    --text: #282828;
    --muted: #595959;
    --bg-light: #F6F6F6;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    font-family: "Open Sans", sans-serif;
    color: var(--text);
    background: #fff;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: "Montserrat", sans-serif; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes floatY  {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.88); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes pulseRing {
    0%   { box-shadow: 0 0 0 0 rgba(244,184,4,0.35); }
    70%  { box-shadow: 0 0 0 14px rgba(244,184,4,0); }
    100% { box-shadow: 0 0 0 0 rgba(244,184,4,0); }
}
@keyframes spinSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── SCROLL REVEAL ── */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── COMMON ── */
section { padding: 50px 0; }
.section-tag {
    font-family: "Montserrat", sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase;
    color: var(--yellow-dark);
}
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800; color: var(--dark);
    margin-top: 8px; line-height: 1.25;
}
.title-line {
    width: 44px; height: 4px;
    background: var(--yellow);
    margin: 14px 0 0; border-radius: 2px;
}

/* ── HERO — light bg ── */
.hero {
    background: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
    padding: 72px 0 64px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -120px; right: -120px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgb(255 194 9 / 70%) 0%, transparent 65%);
    pointer-events: none;
}
/* .hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow), var(--yellow-dark), var(--yellow));
} */
.hero-label {
    display: inline-block;
    font-family: "Montserrat", sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #343434;
    background: #ffeca2;
    border: 1px solid rgba(212, 158, 0, 0.3);
    padding: 5px 14px;
    border-radius: 4px;
    margin-bottom: 22px;
    animation: fadeIn 0.6s ease both;
}
.hero h1 {
    font-size: clamp(2rem, 4.5vw, 2.8rem);
    font-weight: 800; color: var(--dark);
    line-height: 1.18;
    animation: fadeUp 0.8s 0.2s ease both;
}
.hero h1 span { color: var(--yellow-dark); font-size:inherit; }
.hero-sub {
    font-size: 1.05rem; color: var(--muted);
    max-width: 560px; margin-top: 14px;
    animation: fadeUp 0.8s 0.35s ease both;
    line-height: 1.6;
}
.hero-intro {
    color: var(--muted);
    font-size: 0.9rem; line-height: 1.85;
    max-width: 620px; margin-top: 18px;
    animation: fadeUp 0.8s 0.5s ease both;
}
.hero-tags {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 28px;
    animation: fadeUp 0.8s 0.65s ease both;
}
.hero-tag {
    display: inline-flex; align-items: center; gap: 7px;
    font-size: 0.82rem; font-weight: 600;
    color: var(--dark);
    background: var(--bg-light);
    border: 1px solid rgba(0,0,0,0.08);
    padding: 7px 16px; border-radius: 6px;
    transition: .7s;
    text-decoration: none;
}
.hero-tag:hover {
    transform: translateY(-6px);
    transition: .7s;
}
.hero-tag i { color: var(--yellow-dark); }

/* Hero visual */
.hero-visual {
    width: 280px; height: 280px;
    position: relative;
    animation: scaleIn 1s 0.4s ease both;
}
.hero-visual .ring-outer {
    position: absolute; inset: 0;
    border-radius: 50%;
    border: 2px dashed rgba(212,158,0,0.3);
    animation: floatY 4s ease-in-out infinite;
}
.hero-visual .ring-inner {
    position: absolute; inset: 24px;
    border-radius: 50%;
    background: var(--yellow-light);
    border: 1px solid rgba(212,158,0,0.2);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
}
.hero-visual .ring-inner i {
    font-size: 3.2rem; color: var(--yellow-dark);
    display: block;
    animation: spinSlow 8s linear infinite;
}
.hero-visual .ring-inner span {
    font-family: "Montserrat", sans-serif;
    font-weight: 800; font-size: 0.78rem;
    color: var(--dark); margin-top: 8px;
    line-height: 1.4;
}

/* ── INFOGRAPHIC — light bg ── */
.infographic-section {
    background: var(--bg-light);
    position: relative; overflow: hidden;
}
.infographic-section::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--yellow), var(--yellow-dark));
}
.infographic-headline {
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 800; color: var(--dark); text-align: center;
}
.infographic-headline span { color: var(--yellow-dark); font-size:inherit; }

/* Pipeline */
.diagram-wrap {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 18px; padding: 32px;
    margin-top: 40px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}
.diagram-title {
    font-family: "Montserrat", sans-serif;
    font-size: 0.8rem; font-weight: 700;
    letter-spacing: 2.5px; text-transform: uppercase;
    color: var(--yellow-dark);
    text-align: center; margin-bottom: 28px;
}
.flow-diagram {
    display: flex; align-items: center;
    justify-content: center;
    flex-wrap: nowrap; overflow-x: auto;
    gap: 0;
}
.flow-node {
    background: var(--yellow-light);
    border: 1.5px solid rgba(212,158,0,0.35);
    border-radius: 12px;
    padding: 16px 12px; text-align: center;
    min-width: 100px; max-width: 118px;
    flex-shrink: 0;
}
.flow-node .fn-icon {
    font-size: 1.75rem; color: var(--yellow-dark);
    display: block; margin-bottom: 6px;
}
.flow-node span {
    font-size: 0.7rem; font-weight: 700;
    color: var(--dark);
    font-family: "Montserrat", sans-serif;
    line-height: 1.35; display: block;
}
.flow-node.flow-end {
    background: var(--yellow);
    border-color: var(--yellow-dark);
}
.flow-node.flow-end .fn-icon { color: var(--dark); }
.flow-node.flow-end span { color: var(--dark); }
.flow-arrow {
    width: 34px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    color: var(--yellow-dark); font-size: 1.1rem;
}

/* Stat cards — light */
.stat-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 16px;
    padding: 28px 22px;
    position: relative; overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
}
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--yellow);
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.4s ease;
}
.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 36px rgba(244,184,4,0.14);
    border-color: rgba(212,158,0,0.3);
}
.stat-card:hover::before { transform: scaleX(1); }
.stat-icon-wrap {
    width: 54px; height: 54px;
    background: var(--yellow-light);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--yellow-dark);
    margin-bottom: 18px;
    animation: pulseRing 3s ease-in-out infinite;
}
.stat-card h5 {
    font-size: 1rem; font-weight: 700;
    color: var(--dark); margin-bottom: 8px;
}
.stat-card p {
    font-size: 0.855rem; color: var(--muted);
    line-height: 1.75; margin: 0;
}
.metric-row { margin-top: 14px; }
.metric-label {
    display: flex; justify-content: space-between;
    font-size: 0.72rem; font-weight: 600;
    color: var(--muted); margin-bottom: 5px;
}
.metric-bar {
    height: 5px; background: rgba(0,0,0,0.07);
    border-radius: 10px; overflow: hidden;
}
.metric-fill {
    height: 100%; border-radius: 10px;
    background: linear-gradient(90deg, var(--yellow-dark), var(--yellow));
    width: 0;
    transition: width 1.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ── PROCESS ── */
.process-section { background: #fff; }
.process-step {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 32px 20px; text-align: center;
    position: relative;
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    height: 100%;
}
.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 32px rgba(244,184,4,0.14);
    background: #fff;
}
.step-num {
    position: absolute; top: -15px; left: 50%;
    transform: translateX(-50%);
    width: 30px; height: 30px;
    background: var(--yellow); color: var(--dark);
    font-family: "Montserrat", sans-serif;
    font-weight: 800; font-size: 0.82rem;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.step-icon {
    font-size: 2.2rem; color: var(--yellow-dark);
    margin: 12px 0 14px; display: block;
}
.process-step h6 {
    font-weight: 700; font-size: 0.9rem;
    color: var(--dark); margin-bottom: 7px;
}
.process-step p {
    font-size: 0.8rem; color: var(--muted);
    line-height: 1.65; margin: 0;
}

/* ── FEATURES ── */
.features-section { background: var(--bg-light); }
.feature-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 18px; overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 44px rgba(244,184,4,0.14);
}
.feature-header {
    background: var(--yellow-light);
    border-bottom: 3px solid var(--yellow);
    padding: 26px 26px 20px;
    min-height: 160px;
}
.feature-header .fi {
    font-size: 1.9rem; color: var(--yellow-dark);
    display: block; margin-bottom: 10px;
}
.feature-badge {
    font-family: "Montserrat", sans-serif;
    font-size: 10px; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    color: var(--yellow-dark);
    background: rgba(212,158,0,0.12);
    border: 1px solid rgba(212,158,0,0.3);
    padding: 3px 9px; border-radius: 4px;
    margin-bottom: 7px; display: inline-block;
}
.feature-header h5 {
    color: var(--dark); font-weight: 700;
    font-size: 1rem; margin: 0;
}
.feature-body {
    padding: 22px 26px;
    max-height: 225px;
    overflow-y: auto;
}
.feature-body p {
    font-size: 0.865rem; color: var(--muted);
    line-height: 1.8; margin: 0;
}
.feature-tag {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 0.76rem; font-weight: 600; color: var(--dark);
    background: var(--yellow-light);
    padding: 4px 11px; border-radius: 20px;
    margin: 10px 4px 0 0;
}
.feature-tag i { color: var(--yellow-dark); }
.patent-badge {
    display: inline-block;
    font-size: 0.75rem; font-weight: 600;
    color: var(--yellow-dark);
    background: rgba(212,158,0,0.1);
    border: 1px solid rgba(212,158,0,0.25);
    padding: 5px 13px; border-radius: 6px;
    margin-top: 14px;
}

/* ── BENEFITS ── */
.benefits-section { background: #fff; }
.benefit-item {
    background: var(--bg-light);
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 14px; padding: 26px;
    display: flex; gap: 18px; align-items: flex-start;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    height: 100%;
}
.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(244,184,4,0.12);
    background: #fff;
}
.benefit-icon {
    width: 50px; height: 50px; flex-shrink: 0;
    background: var(--yellow-light);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; color: var(--yellow-dark);
}
.benefit-item h6 {
    font-weight: 700; font-size: 0.93rem;
    color: var(--dark); margin-bottom: 6px;
}
.benefit-item p {
    font-size: 0.83rem; color: var(--muted);
    line-height: 1.75; margin: 0;
}

/* ── SCALABILITY — yellow bg ── */
.scale-section { background: var(--yellow); }
.scale-card {
    background: rgba(255,255,255,0.3);
    border: 1px solid rgba(255,255,255,0.55);
    border-radius: 16px; padding: 28px 18px;
    text-align: center;
    transition: transform 0.3s ease, background 0.3s ease;
}
.scale-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.5);
}
.scale-card .sc-icon {
    font-size: 2.1rem; color: var(--dark);
    margin-bottom: 10px; display: block;
}
.scale-card h6 {
    font-weight: 800; font-size: 0.95rem;
    color: var(--dark); margin-bottom: 4px;
}
.scale-card p { font-size: 0.78rem; color: rgba(0,0,0,0.6); margin: 0; }
.bird-count {
    font-family: "Montserrat", sans-serif;
    font-weight: 800; font-size: 1.55rem; color: var(--dark);
}

/* ── FAQ ── */
.faq-section { background: var(--bg-light); }
.accordion-button {
    font-family: "Montserrat", sans-serif;
    font-weight: 600; font-size: 0.93rem;
    color: var(--dark); background: #fff;
}
.accordion-button:not(.collapsed) {
    background: var(--yellow-light);
    color: var(--dark);
    box-shadow: inset 0 -2px 0 var(--yellow);
}
.accordion-button:focus { box-shadow: none; }
.accordion-body {
    font-size: 0.89rem; color: var(--muted);
    line-height: 1.8; background: #fff;
}
.accordion-item {
    border: 1px solid rgba(0,0,0,0.08) !important;
    border-radius: 12px !important;
    overflow: hidden; margin-bottom: 10px;
}

/* ── CTA — white + yellow accents ── */
.cta-section {
    background: #fff;
    border-top: 1px solid rgba(0,0,0,0.06);
    position: relative; overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--yellow), var(--yellow-dark));
}
.btn-yellow {
    background: var(--yellow);
    color: var(--dark);
    font-family: "Montserrat", sans-serif;
    font-weight: 700; border: none;
    padding: 13px 34px;
    border-radius: 8px; font-size: 0.92rem;
    transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
}
.btn-yellow:hover {
    background: var(--yellow-dark); color: var(--dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(244,184,4,0.3);
}
.contact-card {
    background: var(--bg-light);
    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 14px; padding: 22px 26px;
    display: flex; gap: 15px; align-items: center;
    transition: border-color 0.25s, box-shadow 0.25s;
}
.contact-card:hover {
    border-color: rgba(212,158,0,0.4);
    box-shadow: 0 6px 20px rgba(244,184,4,0.1);
}
.contact-card .ci {
    font-size: 1.7rem; color: var(--yellow-dark); flex-shrink: 0;
}
.contact-card h6 {
    font-weight: 700; font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px;
}
.contact-card a {
    color: var(--dark); font-weight: 600; font-size: 0.93rem;
    text-decoration: none; transition: color 0.2s;
}
.contact-card a:hover { color: var(--yellow-dark); }

@media (max-width: 767px) {
    section { padding: 36px 0; }
    .hero { padding: 52px 0 48px; }
    .flow-diagram {
        padding-bottom: 8px;
        justify-content: flex-start;
    }
}