:root {
    --ink: #0F1C2E;
    --teal: #0D9488;
    --teal-deep: #0F766E;
    --sand: #C4A574;
    --mist: #F0F7F6;
    --sky: #E8EEF5;
    --muted: #5A6B7D;
    --font-display: "Syne", sans-serif;
    --font-body: "Source Serif 4", Georgia, serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.65;
    background: var(--mist);
    -webkit-font-smoothing: antialiased;
}

.landing {
    min-height: 100vh;
    overflow-x: hidden;
}

/* —— Hero —— */

.hero {
    position: relative;
    display: flex;
    align-items: flex-end;
    min-height: 100vh;
    min-height: 100dvh;
    padding: clamp(2rem, 6vw, 4.5rem);
    background:
        radial-gradient(ellipse 90% 70% at 15% 20%, rgba(13, 148, 136, 0.12), transparent 55%),
        radial-gradient(ellipse 70% 60% at 85% 75%, rgba(196, 165, 116, 0.14), transparent 50%),
        linear-gradient(165deg, var(--mist) 0%, var(--sky) 55%, #dfe8f0 100%);
}

.hero__lanes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero__lanes-svg {
    width: 100%;
    height: 100%;
    opacity: 0.85;
}

.lane {
    stroke-dasharray: 12 18;
    animation: lane-drift 28s linear infinite;
}

.lane--1 { animation-duration: 32s; opacity: 0.7; }
.lane--2 { animation-duration: 24s; animation-direction: reverse; }
.lane--3 { animation-duration: 36s; opacity: 0.55; }
.lane--4 { animation-duration: 28s; animation-direction: reverse; opacity: 0.65; }

@keyframes lane-drift {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -240; }
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 38rem;
    animation: rise-in 1s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.brand {
    margin: 0 0 1.25rem;
    font-family: var(--font-display);
    font-size: clamp(3.25rem, 10vw, 5.75rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.95;
    color: var(--ink);
    animation: rise-in 1.05s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.hero__headline {
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.5vw, 2.15rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: var(--ink);
    animation: rise-in 1.05s cubic-bezier(0.22, 1, 0.36, 1) 0.18s both;
}

.hero__lead {
    margin: 0 0 2rem;
    max-width: 32rem;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    animation: rise-in 1.05s cubic-bezier(0.22, 1, 0.36, 1) 0.28s both;
}

.cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.4rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-decoration: none;
    color: #fff;
    background: var(--ink);
    border-radius: 2px;
    transition: background 0.25s ease, transform 0.25s ease;
    animation: rise-in 1.05s cubic-bezier(0.22, 1, 0.36, 1) 0.38s both;
}

.cta:hover {
    background: var(--teal-deep);
    transform: translateY(-1px);
}

.cta:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 3px;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(1.25rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* —— Sections —— */

.section {
    padding: clamp(4.5rem, 12vw, 7.5rem) clamp(2rem, 6vw, 4.5rem);
    background: var(--mist);
}

.section--alt {
    background:
        linear-gradient(180deg, rgba(232, 238, 245, 0.9), rgba(240, 247, 246, 0.95)),
        var(--sky);
}

.section__inner {
    max-width: 36rem;
}

.section__title {
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.65rem, 3.5vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.section__text {
    margin: 0;
    color: var(--muted);
    font-size: 1.125rem;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .lane,
    .hero__content,
    .brand,
    .hero__headline,
    .hero__lead,
    .cta {
        animation: none !important;
    }
    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* —— Footer —— */

.footer {
    padding: 2.5rem clamp(2rem, 6vw, 4.5rem) 3rem;
    border-top: 1px solid rgba(15, 28, 46, 0.08);
    background: var(--mist);
}

.footer__brand {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
}