:root {
    --navy: #0b121c;
    --bg: #0b121c;
    --bg-light: #101a27;
    --card: #121e2b;
    --card-hover: #172535;
    --gold: #f4cb7a;
    --gold-light: #ffe0a0;
    --white: #ffffff;
    --text: #e7ebef;
    --muted: #9ca9b7;
    --border: rgba(255, 255, 255, .09);
    --max-width: 1180px;
    --radius: 18px;

    --size-social-icons: 1.2rem;
    --size-logo-height: 3rem;
}

/* Mobile */
@media (max-width: 1024px) {
    :root {
        --size-logo-height: 2rem;
        --size-social-icons: 1.5rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "DM Sans", Arial, sans-serif;
    background: var(--bg);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 18, 28, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.nav {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    letter-spacing: .05em;
    font-size: 14px;
    color: var(--light);
}

.brand b {
    font-weight: 700
}

.brand-mark {
    width: 34px;
    height: 34px;
    border: 1.5px solid var(--gold);
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 10px;
    color: var(--navy);
    font-weight: 700
}

.logo-horizontal {
    position: relative;
    height: var(--size-logo-height);
    user-select: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    color: rgba(255, 255, 255, .78);
    font-size: 14px;
}

.nav-links a:hover {
    color: var(--gold);
}

.nav-cta {
    padding: 11px 18px;
    border: 1px solid rgba(244, 203, 122, .5);
    border-radius: 999px;
    color: var(--gold);
    transition: .25s;
}

.nav-cta:hover {
    background: var(--gold);
    color: var(--navy) !important;
}

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

.hero {
    position: relative;
    overflow: hidden;
    min-height: 620px;
    display: flex;
    align-items: center;
    padding: 90px 0;
    background:
        radial-gradient(circle at 80% 30%,
            rgba(244, 203, 122, .12),
            transparent 34%),
        linear-gradient(135deg, #0b121c 0%, #0e1925 100%);
}

.hero::before {
    content: "";
    position: absolute;
    width: 500px;
    height: 500px;
    right: -180px;
    top: -180px;
    border: 1px solid rgba(244, 203, 122, .12);
    border-radius: 50%;
}

.hero::after {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    right: -280px;
    top: -280px;
    border: 1px solid rgba(244, 203, 122, .06);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--gold);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--gold);
}

h1 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.04;
    letter-spacing: -0.045em;
    font-weight: 700;
    margin-bottom: 26px;
}

h1 span {
    color: var(--gold);
}

.hero-text {
    max-width: 690px;
    color: var(--text);
    font-size: clamp(18px, 2vw, 21px);
    line-height: 1.7;
    margin-bottom: 38px;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--muted);
    font-size: 14px;
}

.hero-note-icon {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--gold);
    flex-shrink: 0;
}

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

.intro {
    padding: 100px 0 60px;
    background: var(--bg);
}

.section-header {
    max-width: 760px;
    margin-bottom: 55px;
}

.section-header h2 {
    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.12;
    letter-spacing: -.035em;
    margin-bottom: 18px;
}

.section-header p {
    color: var(--muted);
    font-size: 18px;
    line-height: 1.7;
}

/* =========================
     CARDS
  ========================== */

.factors {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.factor {
    position: relative;
    padding: 28px;
    min-height: 150px;
    background: linear-gradient(145deg,
            rgba(255, 255, 255, .045),
            rgba(255, 255, 255, .018));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition:
        transform .25s ease,
        border-color .25s ease,
        background .25s ease;
    overflow: hidden;
}

.factor::after {
    content: "";
    position: absolute;
    width: 90px;
    height: 90px;
    right: -35px;
    bottom: -40px;
    border-radius: 50%;
    border: 1px solid rgba(244, 203, 122, .08);
}

.factor:hover {
    transform: translateY(-4px);
    border-color: rgba(244, 203, 122, .28);
    background: var(--card-hover);
}

.factor-number {
    display: block;
    color: rgba(244, 203, 122, .5);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    margin-bottom: 14px;
}

.factor h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 8px;
}

.factor p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.55;
}

/* =========================
     EXPLANATION
  ========================== */

.explanation {
    padding: 100px 0;
    background: var(--bg-light);
    margin-top: 100px;
}

.explanation-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 80px;
    align-items: center;
}

.explanation-title h2 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.1;
    letter-spacing: -.04em;
}

.explanation-title h2 span {
    color: var(--gold);
}

.explanation-content p {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.highlight {
    margin-top: 30px;
    padding: 22px 24px;
    border-left: 2px solid var(--gold);
    background: rgba(244, 203, 122, .045);
    color: var(--text);
    border-radius: 0 12px 12px 0;
}

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

.cta-section {
    padding: 110px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    width: 600px;
    height: 600px;
    left: 50%;
    top: 30%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle,
            rgba(244, 203, 122, .10) 0%,
            rgba(244, 203, 122, 0) 68%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(34px, 5vw, 56px);
    line-height: 1.1;
    letter-spacing: -.04em;
    margin-bottom: 22px;
}

.cta-content p {
    color: var(--muted);
    font-size: 18px;
    margin-bottom: 35px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 58px;
    padding: 0 30px;
    background: var(--gold);
    color: #111820;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    transition:
        transform .2s ease,
        background .2s ease,
        box-shadow .2s ease;
    box-shadow: 0 12px 30px rgba(244, 203, 122, .12);
}

.cta-button:hover {
    transform: translateY(-2px);
    background: var(--gold-light);
    box-shadow: 0 16px 36px rgba(244, 203, 122, .20);
}

.cta-button svg {
    width: 19px;
    height: 19px;
    transition: transform .2s ease;
}

.cta-button:hover svg {
    transform: translateX(4px);
}

.cta-small {
    margin-top: 18px;
    font-size: 13px;
    color: #687687;
}

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

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 12px
}

.footer {
    background: #080e15;
    padding: 4rem 0 2rem 0;
    border-top: 1px solid rgba(224, 224, 224, 0.02);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, .5);
}

.footer ul {
    list-style: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(2, 1fr);
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin: 1rem 0 1.5rem 0;
    line-height: 1.5;
}

.footer-title {
    color: var(--white);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-link:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid rgba(224, 224, 224, 0.03);
    padding-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
}

.social-icons {
    margin-top: 1rem;
}

.social-icons a {
    display: inline-flex;
    transition: color 0.3s, transform 0.3s;
}

.social-icons a .icon {
    width: var(--size-social-icons);
    height: var(--size-social-icons);
    fill: rgba(255, 255, 255, .5);
    margin: 0.3rem;
    transition: fill 0.3s, transform 0.3s;
    background: none;
}

.social-icons a:hover .icon {
    transform: scale(1.1);
    will-change: transform;
}

.social-icons a[aria-label="Instagram"]:hover .icon { fill: #E1306C; }
.social-icons a[aria-label="Facebook"]:hover  .icon { fill: #0866FF; }
.social-icons a[aria-label="YouTube"]:hover   .icon { fill: #FF0033; }
.social-icons a[aria-label="LinkedIn"]:hover  .icon { fill: #0A66C2; }
.social-icons a[aria-label="Email"]:hover     .icon { fill: #284668; }
.social-icons a[aria-label="WhatsApp"]:hover  .icon { fill: #25D366; }

/* =========================
MOBILE CTA
========================= */

.mobile-cta {
    display: none;
}

/* =========================
     RESPONSIVE
  ========================== */

@media (max-width: 900px) {

    .nav-links {
        display: none;
    }

    .factors {
        grid-template-columns: repeat(2, 1fr);
    }

    .explanation-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }
}

@media (max-width: 600px) {

    .container {
        width: min(calc(100% - 28px), var(--max-width));
    }

    .hero {
        min-height: auto;
        padding: 80px 0;
    }

    h1 {
        font-size: 43px;
    }

    .hero-text {
        font-size: 17px;
    }

    .intro {
        padding-top: 75px;
    }

    .factors {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .factor {
        min-height: auto;
        padding: 23px;
    }

    .explanation {
        padding: 75px 0;
        margin-top: 75px;
    }

    .cta-section {
        padding: 80px 0 90px;
    }

    .cta-button {
        width: 100%;
    }

    .mobile-cta {
        position: fixed;
        display: block;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        padding: 10px 14px;
        background: rgba(11, 18, 28, .96);
        backdrop-filter: blur(12px);
        border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .mobile-cta a {
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 48px;
        border-radius: 12px;
        background: var(--gold);
        color: var(--navy);
        font-weight: 800;
        font-size: 14px;
    }

    footer {
        padding-bottom: 85px;
    }

    .footer-grid {
        grid-template-columns: 1fr; gap: 2.5rem;
    }

    .footer-bottom {
        margin-bottom: 48px;
    }
}