/* ════════════════════════════════════════════════════════════
   BRA SIZE CALCULATOR UK — Luxury Feminine Redesign
   ════════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg:        #FFF4F8;
    --bg2:       #FEEAF3;
    --bg3:       #FCD8EC;
    --white:     #FFFFFF;

    /* Brand — Vivid Deep Pink / Magenta */
    --pink:      #D4246E;
    --pink-lt:   #FFD6EA;
    --pink-dk:   #A81856;
    --pink-glow: rgba(212,36,110,0.18);

    /* Gold — Rich Warm Amber */
    --gold:      #C8901A;
    --gold-lt:   #FDF4D4;
    --gold-dk:   #A07014;

    /* Purple accent */
    --purple:    #8B3DAF;
    --purple-lt: #F0E0FF;

    /* Text */
    --dark:      #1C0818;
    --mid:       #5E1E44;
    --light:     #A06080;

    /* Borders */
    --border:    #F0CCDE;
    --border2:   #DCA8C4;

    /* Shadows */
    --shadow:    0 4px 28px rgba(212,36,110,0.10);
    --shadow-lg: 0 16px 56px rgba(212,36,110,0.16);
    --shadow-xl: 0 24px 80px rgba(212,36,110,0.20);

    --radius:    20px;
    --radius-sm: 12px;
    --trans:     0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Jost', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--dark);
    line-height: 1.65;
    overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
ul { list-style: none; }
input[type=number] { -moz-appearance: textfield; }
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ── Typography ────────────────────────────────────────────── */
h1,h2,h3,h4,h5 {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5.4rem); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.65rem); }
h4 { font-size: 1.1rem; font-weight: 500; font-family: 'Jost', sans-serif; }
h5 { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-family: 'Jost', sans-serif; }
p  { font-size: 0.96rem; color: var(--mid); line-height: 1.75; }
em { font-style: italic; color: var(--pink); }
strong { font-weight: 600; color: var(--dark); }

/* ── Layout ────────────────────────────────────────────────── */
.container        { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px;  margin: 0 auto; padding: 0 24px; }
.section          { padding: 100px 0; }

/* ── Section Header ────────────────────────────────────────── */
.section-head { text-align: center; max-width: 620px; margin: 0 auto 64px; }
.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--pink);
    background: var(--pink-lt);
    border: 1px solid #FFAAD0;
    padding: 5px 16px;
    border-radius: 20px;
    margin-bottom: 18px;
}
.section-head h2 { margin-bottom: 14px; color: var(--dark); }
.section-head p  { font-size: 1rem; }

/* ════════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    padding: 0 24px;
    transition: var(--trans);
}
.nav.scrolled {
    background: rgba(255,244,248,0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(212,36,110,0.06);
}
.nav-container {
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 70px;
    gap: 36px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Jost', sans-serif;
    font-size: 1.05rem;
    color: var(--dark);
    white-space: nowrap;
    text-decoration: none;
}
.nav-logo strong { font-weight: 700; color: var(--pink); }
.logo-gem { color: var(--gold); font-size: 1rem; }
.logo-text { display: flex; align-items: center; gap: 0; }
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-left: auto;
}
.nav-links a {
    font-size: 0.88rem;
    font-weight: 400;
    color: var(--mid);
    transition: color var(--trans);
    letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--pink); }
.nav-cta {
    background: linear-gradient(135deg, var(--pink), #E8509A);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 10px 24px;
    border-radius: 40px;
    transition: var(--trans);
    white-space: nowrap;
    box-shadow: 0 4px 16px rgba(212,36,110,0.30);
}
.nav-cta:hover {
    background: linear-gradient(135deg, var(--pink-dk), var(--pink));
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(212,36,110,0.38);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px; height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--trans);
}

/* ════════════════════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
    background:
        radial-gradient(ellipse at 85% 15%, #FFCCE5 0%, transparent 55%),
        radial-gradient(ellipse at 15% 85%, #EDD0FF 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, #FFF4F8 100%);
}
.hero-bg {
    position: absolute; inset: 0;
    pointer-events: none; overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
}
.orb-1 {
    width: 700px; height: 700px;
    top: -250px; right: -150px;
    background: radial-gradient(circle, #FFACD8 0%, transparent 65%);
    opacity: 0.6;
    animation: orb-drift 8s ease-in-out infinite;
}
.orb-2 {
    width: 500px; height: 500px;
    bottom: -100px; left: -150px;
    background: radial-gradient(circle, #D4B0FF 0%, transparent 65%);
    opacity: 0.5;
    animation: orb-drift 10s ease-in-out infinite reverse;
}
.orb-3 {
    width: 350px; height: 350px;
    top: 45%; left: 42%;
    background: radial-gradient(circle, #FFD4A8 0%, transparent 65%);
    opacity: 0.4;
    animation: orb-drift 12s ease-in-out infinite 3s;
}
@keyframes orb-drift {
    0%,100% { transform: translate(0,0) scale(1); }
    33%      { transform: translate(20px,-15px) scale(1.05); }
    66%      { transform: translate(-10px,20px) scale(0.97); }
}
.hero-shimmer {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
    animation: shimmer-move 6s ease-in-out infinite;
    pointer-events: none;
}
@keyframes shimmer-move {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

.hero-inner {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    max-width: 1160px;
    margin: 0 auto;
    padding: 60px 24px 40px;
    gap: 60px;
    position: relative;
    z-index: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pink-dk);
    background: rgba(255,255,255,0.85);
    border: 1px solid #FFAAD0;
    backdrop-filter: blur(8px);
    padding: 7px 18px;
    border-radius: 24px;
    margin-bottom: 28px;
}
.badge-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--pink);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(0.75); }
}
.hero-title { margin-bottom: 20px; }
.hero-subtitle { font-size: 1.05rem; max-width: 480px; margin-bottom: 36px; line-height: 1.8; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
    display: flex;
    align-items: center;
    gap: 28px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.stat-val {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.9rem;
    font-weight: 500;
    color: var(--pink);
    line-height: 1;
}
.stat-lbl { font-size: 0.72rem; color: var(--light); letter-spacing: 0.04em; margin-top: 3px; }
.stat-sep { width: 1px; height: 34px; background: var(--border); }

/* Hero visual */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-diagram-wrap { position: relative; width: min(360px, 90vw); }
.hero-svg {
    width: 100%;
    filter: drop-shadow(0 24px 60px rgba(212,36,110,0.18));
}
.line-bust, .line-underbust {
    animation: dash-flow 2.5s linear infinite;
}
.line-underbust { animation-delay: 0.8s; }
@keyframes dash-flow { to { stroke-dashoffset: -40; } }
.sparkle        { animation: sparkle-f 3s ease-in-out infinite; }
.sparkle-star   { animation: sparkle-f 4s ease-in-out infinite; }
.sparkle:nth-child(2)  { animation-delay: 0.8s; }
.sparkle:nth-child(3)  { animation-delay: 1.6s; }
.sparkle:nth-child(4)  { animation-delay: 2.4s; }
.sparkle-star:nth-child(2) { animation-delay: 1.5s; }
@keyframes sparkle-f {
    0%,100% { opacity: 0.25; transform: scale(1); }
    50%     { opacity: 0.7;  transform: scale(1.3); }
}
.float-card {
    position: absolute;
    display: flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 10px 16px;
    box-shadow: var(--shadow);
    animation: float-bob 4s ease-in-out infinite;
}
.float-bust       { top: 22%;  right: -12px;  animation-delay: 0s; }
.float-underbust  { bottom: 28%; left: -12px; animation-delay: 2s; }
@keyframes float-bob {
    0%,100% { transform: translateY(0); }
    50%     { transform: translateY(-7px); }
}
.float-dot   { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.float-label { font-size: 0.84rem; font-weight: 700; color: var(--dark); }
.float-sub   { font-size: 0.72rem; color: var(--light); }

/* Scroll hint */
.scroll-hint {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding-bottom: 28px;
    color: var(--light);
    font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
    position: relative; z-index: 1;
}
.scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, transparent, var(--border2));
    animation: scroll-drop 1.6s ease-in-out infinite;
}
@keyframes scroll-drop {
    0%   { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50%  { opacity: 1; transform: scaleY(1); }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ════════════════════════════════════════════════════════════
   BUTTONS
   ════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 0.86rem; font-weight: 600;
    letter-spacing: 0.04em;
    padding: 13px 28px;
    border-radius: 40px;
    transition: var(--trans);
    white-space: nowrap;
}
.btn-hero {
    background: linear-gradient(135deg, #D4246E 0%, #F0407A 50%, #D4246E 100%);
    background-size: 200% 100%;
    color: #fff;
    box-shadow: 0 8px 28px rgba(212,36,110,0.38);
}
.btn-hero:hover {
    background-position: 100% 0;
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(212,36,110,0.48);
}
.btn-hero-ghost {
    background: rgba(255,255,255,0.8);
    color: var(--pink-dk);
    border: 1.5px solid #FFAAD0;
    backdrop-filter: blur(6px);
}
.btn-hero-ghost:hover { background: #fff; border-color: var(--pink); transform: translateY(-1px); }
.btn-primary {
    background: linear-gradient(135deg, var(--pink), #E84E8A);
    color: #fff;
    box-shadow: 0 6px 20px rgba(212,36,110,0.30);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 28px rgba(212,36,110,0.40); }
.btn-ghost {
    background: transparent;
    color: var(--mid);
    border: 1.5px solid var(--border2);
}
.btn-ghost:hover { border-color: var(--pink); color: var(--pink); }
.btn-full { width: 100%; justify-content: center; }
.btn-arrow { transition: transform var(--trans); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ════════════════════════════════════════════════════════════
   CALCULATOR SECTION
   ════════════════════════════════════════════════════════════ */
.calc-section { background: var(--white); border-top: 1px solid var(--border); }
.calc-layout  { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }

/* Diagram card */
.diagram-card {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px 22px;
    position: sticky;
    top: 86px;
    box-shadow: var(--shadow);
}
.diagram-label-top {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--light);
    margin-bottom: 16px;
}
.calc-svg { width: 100%; max-width: 280px; margin: 0 auto 20px; display: block; }
.diagram-legend { display: flex; flex-direction: column; gap: 8px; }
.legend-item {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.82rem; color: var(--mid);
    padding: 9px 14px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: var(--trans);
}
.legend-item.active {
    border-color: var(--border2);
    color: var(--dark);
    box-shadow: 0 2px 10px rgba(212,36,110,0.08);
    background: #fff;
}
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }

/* SVG group dimming */
#svgBustGroup, #svgUnderbustGroup { transition: opacity 0.4s ease; }

/* Form column */
.calc-form-col { display: flex; flex-direction: column; gap: 20px; }

/* Progress bar */
.progress-bar {
    display: flex; align-items: center;
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: 50px;
    padding: 12px 20px;
    box-shadow: 0 2px 12px rgba(212,36,110,0.06);
}
.prog-step { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.prog-circle {
    width: 32px; height: 32px;
    border-radius: 50%;
    border: 2px solid var(--border2);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; font-weight: 700;
    color: var(--light);
    transition: var(--trans);
}
.prog-step.active .prog-circle { background: linear-gradient(135deg, var(--pink), #E84E8A); border-color: transparent; color: #fff; box-shadow: 0 4px 12px rgba(212,36,110,0.30); }
.prog-step.done   .prog-circle { background: linear-gradient(135deg, var(--gold), #E0A830); border-color: transparent; color: #fff; }
.prog-label { font-size: 0.8rem; color: var(--light); font-weight: 500; transition: color var(--trans); }
.prog-step.active .prog-label { color: var(--pink); font-weight: 600; }
.prog-step.done   .prog-label { color: var(--gold-dk); }
.prog-track { flex: 1; height: 2px; background: var(--border); margin: 0 6px; position: relative; overflow: hidden; border-radius: 2px; }
.prog-fill  { position: absolute; top: 0; left: 0; height: 100%; width: 0%; background: linear-gradient(90deg, var(--gold), var(--pink)); transition: width 0.5s cubic-bezier(0.4,0,0.2,1); }

/* Unit toggle */
.unit-toggle {
    display: flex;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: 50px;
    padding: 4px;
}
.unit-btn {
    flex: 1; font-size: 0.83rem; font-weight: 600;
    padding: 9px 16px; border-radius: 40px;
    color: var(--light); transition: var(--trans);
    letter-spacing: 0.02em;
}
.unit-btn.active { background: var(--white); color: var(--pink); box-shadow: 0 2px 10px rgba(212,36,110,0.12); }

/* Form steps */
.form-step {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: none; flex-direction: column; gap: 22px;
    box-shadow: var(--shadow);
    animation: step-in 0.35s ease;
}
.form-step.active { display: flex; }
@keyframes step-in {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.step-hd { display: flex; gap: 14px; align-items: flex-start; }
.step-hd-icon {
    width: 46px; height: 46px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.gold-icon  { background: linear-gradient(135deg, #FDF4D4, #FFE8A0); border: 1px solid #E8C060; }
.pink-icon  { background: linear-gradient(135deg, #FFD6EA, #FFAAD0); border: 1px solid #FF88B8; }
.step-hd h3 { font-size: 1.35rem; margin-bottom: 4px; color: var(--dark); }
.step-hd p  { font-size: 0.87rem; color: var(--mid); }

/* Input fields */
.field-group { display: flex; flex-direction: column; gap: 8px; }
.field-group label {
    font-size: 0.76rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--dark);
}
.field-wrap {
    display: flex; align-items: stretch;
    border: 2px solid var(--border2);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color var(--trans), box-shadow var(--trans);
    background: var(--white);
}
.gold-focus:focus-within  { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(200,144,26,0.15); }
.pink-focus:focus-within  { border-color: var(--pink); box-shadow: 0 0 0 3px rgba(212,36,110,0.15); }
.field-wrap input {
    flex: 1; border: none; outline: none;
    padding: 14px 16px;
    font-size: 1.15rem;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 400;
    color: var(--dark);
    background: transparent;
}
.field-unit {
    padding: 0 16px;
    font-size: 0.78rem; font-weight: 600;
    color: var(--light);
    background: var(--bg);
    border-left: 1px solid var(--border);
    display: flex; align-items: center;
    white-space: nowrap;
    letter-spacing: 0.04em;
}
.field-hint  { font-size: 0.75rem; color: var(--light); }
.field-error { font-size: 0.78rem; color: #E0305A; font-weight: 600; }
.hidden { display: none !important; }
.step-actions { display: flex; gap: 12px; }
.step-actions .btn:last-child { flex: 1; justify-content: center; }

/* ── Result card ────────────────────────────────────────────── */
.result-card { display: flex; flex-direction: column; gap: 18px; }

.result-hero {
    position: relative;
    text-align: center;
    padding: 32px 24px 28px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #D4246E 0%, #8B3DAF 55%, #C8901A 100%);
    overflow: hidden;
    color: #fff;
}
.result-hero-glow {
    position: absolute; inset: -20px;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.15), transparent 60%);
    pointer-events: none;
}
.result-tag-label {
    font-size: 0.68rem; font-weight: 700;
    letter-spacing: 0.14em; text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 10px;
}
.result-size-big {
    font-family: 'Cormorant Garamond', serif;
    font-size: 6rem;
    line-height: 1;
    font-weight: 300;
    color: #fff;
    margin-bottom: 8px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.result-cup-letter { color: #FFD6A8; }
.result-cup-desc {
    font-size: 0.9rem; font-weight: 500;
    opacity: 0.9;
    letter-spacing: 0.04em;
}

.result-breakdown {
    display: flex; align-items: center; gap: 16px;
    padding: 18px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
}
.breakdown-pill { flex: 1; text-align: center; }
.bp-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--light); margin-bottom: 4px; }
.bp-val   { font-family: 'Cormorant Garamond', serif; font-size: 2.4rem; color: var(--dark); line-height: 1; }
.bp-sub   { font-size: 0.72rem; color: var(--light); margin-top: 2px; }
.breakdown-band .bp-val { color: var(--gold-dk); }
.breakdown-cup  .bp-val { color: var(--pink); }
.breakdown-cross { font-size: 1.6rem; color: var(--border2); font-family: 'Cormorant Garamond', serif; }

.result-block {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
}
.result-block-title {
    font-size: 0.76rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--dark);
    margin-bottom: 12px;
}
.result-block-note {
    font-weight: 400; text-transform: none;
    letter-spacing: 0; font-size: 0.72rem;
    color: var(--light);
}
.sister-row { display: flex; gap: 8px; flex-wrap: wrap; }
.sister-tag {
    background: var(--white);
    border: 1.5px solid var(--border2);
    border-radius: 10px;
    padding: 8px 16px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    color: var(--dark);
    cursor: default;
    transition: var(--trans);
    font-weight: 500;
}
.sister-tag:hover { background: var(--pink-lt); border-color: var(--pink); color: var(--pink-dk); }
.intl-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 8px; }
.intl-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    display: flex; justify-content: space-between; align-items: center;
}
.intl-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--light); }
.intl-val   { font-family: 'Cormorant Garamond', serif; font-size: 1.25rem; color: var(--dark); font-weight: 500; }

/* ════════════════════════════════════════════════════════════
   HOW TO MEASURE
   ════════════════════════════════════════════════════════════ */
.measure-section { background: var(--bg2); border-top: 1px solid var(--border); }
.steps-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.step-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 26px;
    position: relative;
    overflow: hidden;
    transition: var(--trans);
}
.step-card::after {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--pink-lt), var(--pink), var(--gold));
    opacity: 0; transition: opacity var(--trans);
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.step-card:hover::after { opacity: 1; }
.step-num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4.5rem; font-weight: 300; line-height: 1;
    color: var(--border);
    position: absolute; top: 18px; right: 22px;
    pointer-events: none;
}
.step-svg-wrap { width: 130px; height: 130px; margin: 0 auto 22px; }
.step-card h3  { margin-bottom: 10px; font-size: 1.4rem; }
.step-card p   { font-size: 0.88rem; margin-bottom: 16px; }
.step-tip {
    display: flex; align-items: center; gap: 7px;
    font-size: 0.76rem; font-weight: 600;
    border-radius: 8px; padding: 8px 12px;
}
.gold-tip   { background: var(--gold-lt);   color: var(--gold-dk);  border: 1px solid #E8D090; }
.pink-tip   { background: var(--pink-lt);   color: var(--pink-dk);  border: 1px solid #FFAAD0; }
.purple-tip { background: var(--purple-lt); color: var(--purple);   border: 1px solid #C8A0E0; }
.tip-gem { font-size: 0.6rem; }

/* ════════════════════════════════════════════════════════════
   SIZE CHART
   ════════════════════════════════════════════════════════════ */
.chart-section { background: var(--bg); border-top: 1px solid var(--border); }
.chart-tabs {
    display: flex; gap: 4px;
    background: var(--bg2);
    border: 1.5px solid var(--border);
    border-radius: 50px;
    padding: 5px;
    width: fit-content; margin: 0 auto 40px;
}
.tab {
    font-size: 0.84rem; font-weight: 600;
    padding: 10px 24px; border-radius: 40px;
    color: var(--mid); transition: var(--trans);
}
.tab.active {
    background: linear-gradient(135deg, var(--pink), #E84E8A);
    color: #fff;
    box-shadow: 0 4px 14px rgba(212,36,110,0.28);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.data-table { width: 100%; border-collapse: collapse; background: var(--white); }
.data-table th {
    background: linear-gradient(135deg, #1C0818, #3A1430);
    color: #fff;
    font-family: 'Jost', sans-serif;
    font-size: 0.75rem; font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
    padding: 15px 22px;
    text-align: left; white-space: nowrap;
}
.data-table td {
    padding: 13px 22px;
    font-size: 0.92rem; color: var(--dark);
    border-bottom: 1px solid var(--border);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:nth-child(even) td { background: #FFF8FA; }
.data-table tbody tr:hover td { background: var(--pink-lt); }

/* ════════════════════════════════════════════════════════════
   FIT TIPS
   ════════════════════════════════════════════════════════════ */
.tips-section { background: var(--bg2); border-top: 1px solid var(--border); }
.tips-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.tip-card {
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--trans);
    position: relative; overflow: hidden;
}
.tip-card::before {
    content: '';
    position: absolute; top: 0; left: 0; bottom: 0; width: 4px;
}
.tip-green::before { background: linear-gradient(to bottom, #6BAF8C, #4E9070); }
.tip-gold::before  { background: linear-gradient(to bottom, var(--gold), var(--gold-dk)); }
.tip-pink::before  { background: linear-gradient(to bottom, var(--pink), var(--pink-dk)); }
.tip-purple::before{ background: linear-gradient(to bottom, var(--purple), #6A2A8A); }
.tip-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.tip-icon-badge {
    width: 42px; height: 42px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; font-weight: 700;
    margin-bottom: 18px;
}
.green-badge  { background: #E8F6EE; color: #4E9070; border: 1.5px solid #A8DCC0; }
.gold-badge   { background: var(--gold-lt); color: var(--gold-dk); border: 1.5px solid #E0C060; }
.pink-badge   { background: var(--pink-lt); color: var(--pink-dk); border: 1.5px solid #FFAAD0; }
.purple-badge { background: var(--purple-lt); color: var(--purple); border: 1.5px solid #C8A0E0; }
.tip-card h3  { font-size: 1.25rem; margin-bottom: 16px; }
.tip-card ul  { display: flex; flex-direction: column; gap: 10px; }
.tip-card li  {
    font-size: 0.88rem; color: var(--mid);
    padding-left: 16px; position: relative; line-height: 1.55;
}
.tip-card li::before { content: '–'; position: absolute; left: 0; color: var(--border2); }
.tip-card li strong { color: var(--dark); }

/* ════════════════════════════════════════════════════════════
   FAQ
   ════════════════════════════════════════════════════════════ */
.faq-section { background: var(--bg); border-top: 1px solid var(--border); }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
    width: 100%; text-align: left;
    padding: 22px 0;
    font-size: 0.98rem; font-weight: 500;
    color: var(--dark);
    display: flex; justify-content: space-between; align-items: center; gap: 16px;
    transition: color var(--trans);
    font-family: 'Jost', sans-serif;
}
.faq-q:hover { color: var(--pink); }
.faq-ch {
    font-size: 1.5rem; color: var(--pink); line-height: 1;
    flex-shrink: 0; transition: transform var(--trans);
    font-weight: 300;
}
.faq-item.open .faq-ch { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1); }
.faq-a p { padding-bottom: 22px; font-size: 0.92rem; line-height: 1.78; }

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.footer {
    background: linear-gradient(135deg, #1C0818, #2A0830);
    color: rgba(255,255,255,0.6);
    padding: 60px 0 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo {
    display: flex; align-items: center; gap: 8px;
    font-family: 'Jost', sans-serif; font-size: 1.1rem;
    color: var(--white); margin-bottom: 14px;
}
.footer-logo strong { font-weight: 700; color: #FF80B0; }
.footer-brand p { font-size: 0.88rem; line-height: 1.72; max-width: 280px; }
.footer-col h5 { color: rgba(255,255,255,0.5); margin-bottom: 16px; font-size: 0.68rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col li a { font-size: 0.88rem; transition: color var(--trans); }
.footer-col li a:hover { color: #FF80B0; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px; font-size: 0.78rem;
}
.footer-note { color: rgba(255,255,255,0.25); }

/* ════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
   ════════════════════════════════════════════════════════════ */
.reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.12s; }
.reveal:nth-child(3) { transition-delay: 0.24s; }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .calc-layout { grid-template-columns: 1fr; gap: 32px; }
    .diagram-card { position: static; max-width: 480px; margin: 0 auto; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 40px; }
    .hero-visual { order: -1; }
    .hero-diagram-wrap { width: min(280px,70vw); }
    .hero-title, .hero-subtitle, .hero-badge { text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats  { justify-content: center; }
    .hero-badge  { margin-left: auto; margin-right: auto; }
    .tips-grid   { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .section { padding: 70px 0; }
    .steps-row { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
    .nav-links { display: none; }
    .nav-cta   { display: none; }
    .nav-toggle { display: flex; }
    .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: 70px; left: 0; right: 0;
        background: rgba(255,244,248,0.97);
        backdrop-filter: blur(16px);
        padding: 20px 24px 30px;
        gap: 18px;
        border-bottom: 1px solid var(--border);
        z-index: 199;
    }
    .nav-links.open a { font-size: 1rem; }
    .tips-grid   { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .intl-grid { grid-template-columns: 1fr; }
    .result-size-big { font-size: 4.5rem; }
    .form-step { padding: 22px; }
    .hero-stats { gap: 14px; }
    .step-actions { flex-direction: column; }
    .step-actions .btn { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
    h1 { font-size: 2.6rem; }
    h2 { font-size: 2rem; }
    .chart-tabs { flex-direction: column; border-radius: 20px; width: 100%; }
    .tab { width: 100%; text-align: center; }
    .hero-stats { flex-wrap: wrap; justify-content: center; }
    .stat-sep { display: none; }
    .result-size-big { font-size: 3.8rem; }
}