:root {
    --ink: #062f35;
    --teal: #087c83;
    --mint: #d9f3ee;
    --aqua: #9ee8df;
    --sand: #f6f1e8;
    --white: #fff;
    --line: #d7e6e4;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: #fff;
}

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

/* =========================
   HEADER
========================= */

header {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
    padding: 0 5%;
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid #edf2f1;
}

/* Logo */

.logo {
    display: block;
    width: 180px;
    height: 50px;
    flex-shrink: 0;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    border-radius: 8px;
    display: block;
}

/* Navigation */

nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    font-size: 14px;
    font-weight: 600;
    flex: 1;
}

nav a {
    white-space: nowrap;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--teal);
}

/* Header Actions */

.actions {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-shrink: 0;
}

.search {
    font-size: 20px;
    cursor: pointer;
}

.pill {
    background: var(--teal);
    color: #fff;
    border-radius: 30px;
    padding: 13px 22px;
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    transition: background 0.2s ease;
}

.pill:hover {
    background: var(--ink);
}

/* =========================
   HERO
========================= */

.hero {
    min-height: 690px;
    display: grid;
    grid-template-columns: 46% 54%;
    background: var(--mint);
}

.hero-copy {
    padding: 90px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.kicker {
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 11px;
    font-weight: 800;
    color: #3b7072;
    margin-bottom: 22px;
}

h1,
h2,
h3 {
    font-family: Georgia, serif;
    font-weight: 400;
}

h1 {
    font-size: clamp(54px, 6vw, 92px);
    line-height: 0.94;
    margin: 0 0 25px;
    letter-spacing: -3px;
}

.hero-copy p {
    font-size: 19px;
    line-height: 1.55;
    max-width: 510px;
    color: #456467;
    margin: 0 0 30px;
}

.hero-img {
    background: url("../img/Hero Image 1600x1067.png") center / cover no-repeat;
}

.hero-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    border-radius: 30px;
    padding: 14px 24px;
    background: var(--teal);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
    background: var(--ink);
    transform: translateY(-2px);
}

.btn.light {
    background: #fff;
    color: var(--ink);
}

.btn.light:hover {
    background: var(--ink);
    color: #fff;
}

/* =========================
   INTRO
========================= */

.intro {
    padding: 100px 7%;
    text-align: center;
}

.intro h2 {
    font-size: 55px;
    line-height: 1.05;
    margin: 0 auto 20px;
    max-width: 850px;
}

.intro p {
    max-width: 720px;
    margin: auto;
    color: #63777a;
    font-size: 17px;
    line-height: 1.6;
}

/* =========================
   GLOW / TREATMENTS
========================= */

.glow {
    background: var(--sand);
    padding: 90px 7%;
}

.glow-head {
    text-align: center;
    margin-bottom: 45px;
}

.glow-head h2 {
    font-size: 52px;
    margin: 0 0 12px;
}

.glow-head p {
    color: #607578;
}

.tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 35px;
}

.tab {
    border: 1px solid #b9cfcc;
    background: transparent;
    border-radius: 30px;
    padding: 11px 18px;
    color: var(--ink);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.tab:hover {
    background: var(--teal);
    border-color: var(--teal);
    color: #fff;
}

.tab.active {
    background: var(--ink);
    color: #fff;
    border-color: var(--ink);
}

.treatment {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    max-width: 1200px;
    margin: auto;
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    min-height: 520px;
}

.treatment img {
    width: 100%;
    height: 100%;
    min-height: 520px;
    object-fit: cover;
}

.tcopy {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tcopy .number {
    color: var(--teal);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: 2px;
}

.tcopy h3 {
    font-size: 45px;
    margin: 16px 0;
}

.tcopy p {
    color: #617477;
    line-height: 1.7;
}

.checks {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.checks li {
    padding: 9px 0;
}

.checks li:before {
    content: "✓";
    color: var(--teal);
    font-weight: bold;
    margin-right: 10px;
}

/* =========================
   CONCERNS
========================= */

.concerns {
    padding: 100px 7%;
    text-align: center;
}

.concerns h2 {
    font-size: 52px;
    margin: 0 0 15px;
}

.concerns > p {
    color: #647678;
}

.concern-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    max-width: 1100px;
    margin: 45px auto 0;
}

.concern {
    height: 310px;
    border-radius: 24px;
    overflow: hidden;
    position: relative;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.concern:hover {
    transform: translateY(-5px);
}

.concern:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        transparent 35%,
        rgba(0, 30, 34, 0.75)
    );
}

.concern span {
    position: absolute;
    z-index: 2;
    bottom: 25px;
    left: 25px;
    color: #fff;
    font-family: Georgia, serif;
    font-size: 27px;
}

/* =========================
   RESULTS
========================= */

.results {
    background: var(--ink);
    color: #fff;
    padding: 100px 7%;
    text-align: center;
}

.results h2 {
    font-size: 55px;
    margin: 0 0 18px;
}

.results > p {
    color: #c7dddd;
    max-width: 700px;
    margin: 0 auto 45px;
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    max-width: 1100px;
    margin: auto;
    gap: 15px;
}

.result {
    padding: 30px 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    border-bottom: 1px solid rgba(255, 255, 255, 0.25);
}

.result strong {
    display: block;
    font-size: 39px;
    font-weight: 400;
}

.result span {
    font-size: 12px;
    color: #c7dddd;
}

/* =========================
   CTA / CONTACT
========================= */

.cta {
    padding: 100px 7%;
    background: var(--aqua);
    text-align: center;
}

.cta h2 {
    font-size: 58px;
    max-width: 800px;
    margin: 0 auto 18px;
    line-height: 1;
}

.cta p {
    color: #456467;
    margin-bottom: 28px;
}

/* Contact Boxes */

.contact-boxes {
    max-width: 1100px;
    margin: 40px auto 35px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-box {
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(6, 47, 53, 0.12);
    border-radius: 20px;
    padding: 28px 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(6, 47, 53, 0.1);
}

.contact-box span {
    font-size: 28px;
    display: block;
    margin-bottom: 10px;
}

.contact-box h3 {
    font-size: 25px;
    margin: 0 0 10px;
}

.contact-box p {
    margin: 0;
    color: #456467;
    line-height: 1.6;
}

.contact-box a {
    color: var(--teal);
    font-weight: 600;
}

/* =========================
   FOOTER
========================= */

footer {
    background: #fff;
    padding: 25px 7%;
    border-top: 1px solid var(--line);
}

.copyright {
    color: #829092;
    font-size: 11px;
    text-align: center;
    line-height: 1.6;
}

/* =========================
   TABLET
========================= */

@media (max-width: 1000px) {

    header {
        padding: 0 3%;
        gap: 15px;
    }

    .logo {
        width: 150px;
        height: 45px;
    }

    nav {
        gap: 16px;
        font-size: 13px;
    }

    .actions {
        gap: 10px;
    }

    .pill {
        padding: 11px 16px;
    }

    .hero-copy {
        padding: 70px 7%;
    }

    .tcopy {
        padding: 45px;
    }

    .contact-boxes {
        gap: 15px;
    }
}

/* =========================
   MOBILE / TABLET
========================= */

@media (max-width: 900px) {

    nav {
        display: none;
    }

    header {
        min-height: 75px;
    }

    .actions {
        margin-left: auto;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .hero-img {
        min-height: 480px;
        order: -1;
    }

    .hero-copy {
        padding: 70px 8%;
    }

    .treatment {
        grid-template-columns: 1fr;
    }

    .treatment img {
        min-height: 380px;
        max-height: 450px;
    }

    .tcopy {
        padding: 50px;
    }

    .concern-grid {
        grid-template-columns: 1fr 1fr;
    }

    .result-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* =========================
   SMALL MOBILE
========================= */

@media (max-width: 700px) {

    header {
        min-height: 70px;
        padding: 0 20px;
    }

    .logo {
        width: 135px;
        height: 42px;
    }

    nav {
        display: none;
    }

    .actions {
        gap: 10px;
    }

    .search {
        font-size: 19px;
    }

    .actions .pill {
        display: inline-block;
        padding: 10px 15px;
        font-size: 12px;
    }

    .hero-img {
        min-height: 400px;
    }

    .hero-copy {
        padding: 60px 7%;
    }

    h1 {
        font-size: 55px;
    }

    .intro,
    .glow,
    .concerns,
    .results,
    .cta {
        padding: 70px 6%;
    }

    .intro h2,
    .glow-head h2,
    .concerns h2,
    .results h2,
    .cta h2 {
        font-size: 40px;
    }

    .tcopy {
        padding: 38px;
    }

    .tcopy h3 {
        font-size: 38px;
    }

    .concern-grid {
        grid-template-columns: 1fr;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }

    .contact-boxes {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-box {
        padding: 25px 20px;
    }

    footer {
        padding: 22px 6%;
    }
}

/* =========================
   VERY SMALL PHONES
========================= */

@media (max-width: 420px) {

    header {
        padding: 0 15px;
    }

    .logo {
        width: 115px;
        height: 38px;
    }

    .actions {
        gap: 8px;
    }

    .actions .pill {
        padding: 9px 12px;
        font-size: 11px;
    }

    .search {
        font-size: 17px;
    }

    .hero-img {
        min-height: 330px;
    }

    .hero-copy {
        padding: 55px 6%;
    }

    h1 {
        font-size: 48px;
    }

    .hero-copy p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        text-align: center;
    }

    .tcopy {
        padding: 30px 25px;
    }

    .tcopy h3 {
        font-size: 34px;
    }

    .concern {
        height: 260px;
    }

    .copyright {
        font-size: 10px;
    }
}