:root {
    --ink: #12221f;
    --ink-soft: #49615b;
    --ink-muted: #6f827d;
    --page: #fbfdfb;
    --mist: #e8f5ef;
    --teal: #0f766e;
    --teal-dark: #0b2f2c;
    --coral: #e85d3a;
    --gold: #d8a01f;
    --line: #c9ded6;
    --white: #ffffff;
    --shadow: rgba(8, 52, 47, 0.16);
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'DM Sans', sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--page);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 20;
    background: rgba(251, 253, 251, 0.82);
    border-bottom: 1px solid rgba(201, 222, 214, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 68px;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0;
}

.brand img {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    box-shadow: 0 8px 22px var(--shadow);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--ink-soft);
    font-size: 15px;
    font-weight: 700;
}

.hero {
    min-height: 92vh;
    display: grid;
    align-items: end;
    position: relative;
    overflow: hidden;
    background: var(--teal-dark);
    isolation: isolate;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(5, 33, 30, 0.88) 0%, rgba(5, 33, 30, 0.76) 38%, rgba(5, 33, 30, 0.24) 70%),
        linear-gradient(0deg, rgba(5, 33, 30, 0.92) 0%, rgba(5, 33, 30, 0.10) 42%);
    z-index: -1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 36%;
    z-index: -2;
}

.hero-inner {
    padding: 118px 0 72px;
    max-width: 720px;
    color: var(--white);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: #b8efe1;
    margin-bottom: 18px;
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(56px, 8vw, 110px);
    font-weight: 700;
    letter-spacing: 0;
    line-height: 0.92;
    max-width: 760px;
    margin-bottom: 24px;
}

.hero-copy {
    color: rgba(255, 255, 255, 0.86);
    font-size: clamp(20px, 2.5vw, 27px);
    line-height: 1.35;
    max-width: 650px;
    margin-bottom: 34px;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.primary-button,
.secondary-button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border-radius: 8px;
    font-weight: 800;
    padding: 0 22px;
    transition: transform 0.18s ease, background 0.18s ease, opacity 0.18s ease;
}

.primary-button {
    background: var(--coral);
    color: var(--white);
    box-shadow: 0 16px 34px rgba(232, 93, 58, 0.32);
}

.secondary-button {
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.08);
}

.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-2px);
}

section {
    padding: 84px 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 56px;
    align-items: center;
}

.phone-shot {
    width: min(360px, 100%);
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 26px 64px var(--shadow);
}

.section-label {
    color: var(--teal);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: 0;
    margin-bottom: 18px;
}

.section-copy {
    color: var(--ink-soft);
    max-width: 680px;
    font-size: 20px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 38px;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 26px;
    box-shadow: 0 14px 34px rgba(8, 52, 47, 0.06);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    line-height: 1.15;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--ink-soft);
    font-size: 16px;
}

.band {
    background: var(--mist);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
    margin-top: 44px;
}

.screen-card {
    display: grid;
    gap: 14px;
    margin: 0;
    min-width: 0;
}

.device-frame {
    width: min(100%, 270px);
    aspect-ratio: 9 / 19.5;
    margin: 0 auto;
    padding: 9px;
    overflow: hidden;
    background: #102522;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 34px;
    box-shadow: 0 22px 56px var(--shadow);
}

.device-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 25px;
}

.screen-card:nth-child(1) img {
    object-position: center center;
}

.screen-card:nth-child(2) img {
    object-position: center 58%;
}

.screen-card:nth-child(3) img {
    object-position: center 54%;
}

.screen-caption {
    max-width: 270px;
    margin: 0 auto;
    color: var(--ink-soft);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
}
