/* ============================================
   PILLARS BASKETBALL — style.css
   Bold & Energetic
   ============================================ */

/* ---------- CSS CUSTOM PROPERTIES ---------- */
:root {
  /* Backgrounds */
  --color-bg: #0A0A0A;
  --color-bg-alt: #111111;
  --color-bg-raised: #161616;
  --color-bg-dark: #060606;

  /* Text */
  --color-text: #F0F0F0;
  --color-text-muted: #7A7A7A;
  --color-text-dim: #4A4A4A;

  /* Accent — basketball orange */
  --color-accent: #FF5722;
  --color-accent-hover: #FF7043;
  --color-accent-glow: rgba(255, 87, 34, 0.25);
  --color-accent-subtle: rgba(255, 87, 34, 0.08);

  /* Borders & cards */
  --color-border: #222222;
  --color-border-hover: #333333;
  --color-card: #141414;

  /* Placeholders */
  --color-placeholder-bg: #161616;
  --color-placeholder-border: #2A2A2A;
  --color-placeholder-text: #555555;

  /* Typography */
  --font-headline: "Bebas Neue", "Arial Black", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing & shape */
  --max-width: 1140px;
  --section-padding: 96px 24px;
  --border-radius: 4px;
  --border-radius-lg: 6px;
  --transition: 0.2s ease;
  --navbar-height: 68px;
}

/* ---------- LIGHT MODE VARIABLES ---------- */
.light-mode {
  --color-bg: #F4F4F5;
  --color-bg-alt: #FFFFFF;
  --color-bg-raised: #FFFFFF;
  --color-bg-dark: #E4E4E7;

  --color-text: #111111;
  --color-text-muted: #555555;
  --color-text-dim: #999999;

  --color-accent-subtle: rgba(255, 87, 34, 0.06);

  --color-border: #E0E0E0;
  --color-border-hover: #CCCCCC;
  --color-card: #FFFFFF;

  --color-placeholder-bg: #F0F0F0;
  --color-placeholder-border: #D0D0D0;
  --color-placeholder-text: #888888;
}

/* ---------- RESET & BASE ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: var(--font-weight-normal);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

fieldset {
  border: none;
}

/* Utility class for Web3Forms botcheck */
.hidden { 
  display: none !important; 
}

/* ---------- SHARED / UTILITY ---------- */
.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.section-title {
  font-family: var(--font-headline);
  font-size: 3rem;
  font-weight: var(--font-weight-normal);
  text-align: center;
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* ---------- PLACEHOLDER BOXES ---------- */
.about-image-placeholder {
  background-color: var(--color-placeholder-bg);
  border: 2px dashed var(--color-placeholder-border);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-placeholder-text);
  font-size: 0.85rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  width: 100%;
  min-height: 360px;
}

/* ---------- PRODUCT IMAGES ---------- */
.hero-image {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

.product-image {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: var(--font-weight-bold);
  font-size: 0.85rem;
  padding: 14px 36px;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition), opacity var(--transition);
  text-align: center;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 6px 28px var(--color-accent-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.btn-secondary:hover {
  border-color: var(--color-text);
  background-color: var(--color-bg-raised);
}

.btn-cta {
  background-color: #ffffff;
  color: var(--color-bg);
  border-color: #ffffff;
  font-weight: var(--font-weight-bold);
  padding: 18px 52px;
  font-size: 0.95rem;
}

.btn-cta:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 6px 32px var(--color-accent-glow);
}

.btn-small {
  padding: 10px 28px;
  font-size: 0.78rem;
}

.btn-large {
  padding: 18px 48px;
  font-size: 0.95rem;
}

.btn-full {
  width: 100%;
}

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background-color 0.3s ease;
}

.light-mode .navbar {
  background-color: rgba(244, 244, 245, 0.92);
}

.navbar .section-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--navbar-height);
}

.nav-logo {
  font-family: var(--font-headline);
  font-size: 1.45rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
}

/* --- Theme Toggle Button --- */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
}

.theme-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: rotate(20deg);
}

/* --- Hamburger icon --- */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}

.nav-toggle-icon {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: transform 0.25s ease, top 0.25s ease;
}

.nav-toggle-icon::before { top: -7px; }
.nav-toggle-icon::after { top: 7px; }

.nav-toggle.nav-is-open .nav-toggle-icon { background-color: transparent; }
.nav-toggle.nav-is-open .nav-toggle-icon::before { top: 0; transform: rotate(45deg); }
.nav-toggle.nav-is-open .nav-toggle-icon::after { top: 0; transform: rotate(-45deg); }

/* --- Nav links --- */
.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-links a {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.nav-cta {
  background-color: var(--color-accent);
  color: #ffffff !important;
  padding: 8px 22px;
  border-radius: var(--border-radius);
  letter-spacing: 0.06em;
}

.nav-cta:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  padding: 120px 24px 100px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero .section-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-headline {
  font-family: var(--font-headline);
  font-size: 5.5rem;
  font-weight: var(--font-weight-normal);
  line-height: 0.95;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero-subheading {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==========================================
   ABOUT
   ========================================== */
.about {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}
.about-text p:last-child { margin-bottom: 0; }

/* ==========================================
   FEATURES
   ========================================== */
.features {
  padding: var(--section-padding);
  background-color: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  text-align: center;
  padding: 40px 20px 32px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  border-top: 3px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), border-top-color var(--transition);
}

.feature-card:hover {
  border-color: var(--color-border-hover);
  border-top-color: var(--color-accent);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.light-mode .feature-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-accent-subtle);
  border: 1px solid rgba(255, 87, 34, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-headline);
  font-weight: var(--font-weight-normal);
  font-size: 1.4rem;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.feature-card h3 {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ==========================================
   PRODUCTS
   ========================================== */
.products {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 0;
  text-align: center;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2), 0 0 0 1px var(--color-border-hover);
  transform: translateY(-6px);
}

.light-mode .product-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--color-border-hover);
}

.product-card h3 {
  font-family: var(--font-headline);
  font-size: 1.35rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 28px 24px 0;
  color: var(--color-text);
}

.product-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
  padding: 0 24px;
}

.product-card .btn { margin-bottom: 28px; }

/* ==========================================
   FIT TOOL
   ========================================== */
.fit-tool {
  padding: var(--section-padding);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.fit-tool-intro {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.75;
}

.fit-tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.fit-tool-form-wrapper {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 36px;
}

.fit-tool-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.fit-preference-group { margin-bottom: 8px; }

.fit-radio-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.fit-radio-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

.fit-radio-label input { display: none; }

.fit-radio-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-hover);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.fit-radio-label input:checked + .fit-radio-custom { border-color: var(--color-accent); }

.fit-radio-label input:checked + .fit-radio-custom::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* --- Results Area --- */
.fit-tool-result-wrapper {
  position: sticky;
  top: calc(var(--navbar-height) + 24px);
}

.fit-tool-result-placeholder {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 60px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
  min-height: 380px;
}

.fit-tool-result-card {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-accent);
  border-top: 4px solid var(--color-accent);
  border-radius: 12px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  box-shadow: 0 12px 40px rgba(255, 87, 34, 0.1);
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fit-result-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.fit-result-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.fit-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.fit-result-item:last-child { border-bottom: none; padding-bottom: 0; }

.fit-result-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-medium);
}

.fit-result-size {
  font-family: var(--font-headline);
  font-size: 2rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

.fit-result-description {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.fit-result-disclaimer {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  margin-top: auto;
  font-style: italic;
}

/* ==========================================
   TESTIMONIALS
   ========================================== */
.testimonials {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
}

.testimonials-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-style: italic;
  margin-top: -36px;
  margin-bottom: 48px;
  letter-spacing: 0.02em;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--color-accent);
  padding: 32px 28px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
  border-color: var(--color-border-hover);
  border-left-color: var(--color-accent);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}

.light-mode .testimonial-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-text);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  font-style: normal;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ==========================================
   BRAND CAMPAIGN
   ========================================== */
.campaign {
  padding: var(--section-padding);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.campaign-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: center;
}

.campaign-video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background-color: var(--color-bg-raised);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.campaign-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--border-radius-lg);
}

.campaign-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.campaign-description {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.campaign-audio-wrapper {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.audio-label {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

audio {
  width: 100%;
  height: 40px;
  border-radius: 20px;
  outline: none;
}

audio::-webkit-media-controls-panel {
  background-color: var(--color-bg-alt);
}

/* ==========================================
   FAQ
   ========================================== */
.faq {
  padding: var(--section-padding);
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover { border-color: var(--color-border-hover); }
.faq-item[open] { border-color: var(--color-accent); }

.faq-question {
  font-family: var(--font-headline);
  font-size: 1.15rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  padding: 22px 28px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition);
  user-select: none;
}

.faq-question::-webkit-details-marker { display: none; }

.faq-question::after {
  content: "+";
  font-family: var(--font-headline);
  font-size: 1.4rem;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item[open] .faq-question::after { content: "−"; }
.faq-question:hover { color: var(--color-accent); }

.faq-answer { padding: 0 28px 24px; }

.faq-answer p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ==========================================
   CONTACT
   ========================================== */
.contact {
  padding: var(--section-padding);
  background-color: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}

.contact-info { padding-top: 8px; }

.contact-info-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 40px;
}

.contact-detail { margin-bottom: 28px; }

.contact-detail-label {
  display: block;
  font-family: var(--font-headline);
  font-size: 0.85rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ---------- Contact Form ---------- */
.contact-form {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.form-input {
  font-family: var(--font-body);
  font-size: 0.92rem;
  color: var(--color-text);
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 14px 18px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-input::placeholder { color: var(--color-text-dim); }

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

/* --- Contact Success Message --- */
.form-success-message {
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-accent);
  border-top: 4px solid var(--color-accent);
  border-radius: 12px;
  padding: 60px 36px;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 20px;
  animation: fadeIn 0.4s ease;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-accent-subtle);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.form-success-title {
  font-family: var(--font-headline);
  font-size: 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

.form-success-message p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 320px;
}

/* ==========================================
   CALL TO ACTION
   ========================================== */
.cta {
  padding: 110px 24px;
  background-color: var(--color-accent);
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-headline {
  font-family: var(--font-headline);
  font-size: 3.25rem;
  font-weight: var(--font-weight-normal);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
  position: relative;
}

.cta-subtext {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
  position: relative;
}

/* ==========================================
   FOOTER (Forced Dark in Light Mode for premium feel)
   ========================================== */
.footer {
  padding: 64px 24px 32px;
  background-color: var(--color-bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #c5c7cf;
}

.light-mode .footer {
  background-color: #111318;
  color: #c5c7cf;
}

.light-mode .footer-logo { color: #ffffff; }
.light-mode .footer-links h4 { color: #ffffff; }
.light-mode .footer-links a { color: #7A7A7A; }
.light-mode .footer-links a:hover { color: var(--color-accent); }
.light-mode .footer-brand p { color: #555555; }
.light-mode .footer-bottom p { color: #4A4A4A; }
.light-mode .footer-bottom { border-top-color: rgba(255, 255, 255, 0.08); }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-headline);
  font-size: 1.3rem;
  font-weight: var(--font-weight-normal);
  color: #ffffff;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-brand p {
  font-size: 0.88rem;
  color: #555555;
  line-height: 1.6;
}

.footer-links h4 {
  font-family: var(--font-headline);
  font-size: 0.95rem;
  font-weight: var(--font-weight-normal);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.85rem;
  color: #555555;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: #4A4A4A;
  letter-spacing: 0.03em;
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: #ffffff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--color-accent-glow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background-color var(--transition);
  z-index: 90;
}

.back-to-top-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-3px);
}

/* ==========================================
   RESPONSIVE — TABLET (max-width: 900px)
   ========================================== */
@media (max-width: 900px) {

  .nav-links { gap: 12px; }
  .nav-links a { font-size: 0.68rem; }

  .hero .section-container { grid-template-columns: 1fr; gap: 48px; }
  .hero-headline { font-size: 4rem; }
  .hero-image { min-height: 340px; }

  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-image-placeholder { min-height: 280px; }

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

  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid .product-card:last-child { grid-column: 1 / -1; max-width: 420px; justify-self: center; }

  .fit-tool-grid { grid-template-columns: 1fr; gap: 36px; }
  .fit-tool-result-wrapper { position: static; }

  .testimonials-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }

  .campaign-grid { grid-template-columns: 1fr; gap: 36px; }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ==========================================
   RESPONSIVE — MOBILE (max-width: 640px)
   ========================================== */
@media (max-width: 640px) {

  :root { --section-padding: 72px 20px; }

  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 20px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  }

  .light-mode .nav-links { background-color: #F4F4F5; }

  .nav-links.nav-open { display: flex; }
  .nav-links a { font-size: 0.85rem; padding: 4px 0; }
  .nav-cta { text-align: center; margin-top: 4px; }

  .hero { padding: 80px 20px 72px; }
  .hero-headline { font-size: 3rem; }
  .hero-subheading { font-size: 0.95rem; }
  
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; text-align: center; }
  .hero-image { min-height: 260px; }

  .section-title { font-size: 2.2rem; margin-bottom: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .products-grid .product-card:last-child { max-width: 100%; }
  .product-image { min-height: 220px; }

  .fit-tool-form-wrapper { padding: 24px; }
  .fit-tool-form { gap: 20px; }
  .fit-tool-form .form-row, .contact-form .form-row { grid-template-columns: 1fr; gap: 20px; }
  .fit-tool-result-placeholder { padding: 40px 20px; min-height: 280px; }

  .faq-question { font-size: 1.05rem; padding: 18px 22px; }
  .faq-answer { padding: 0 22px 20px; }

  .contact-form { padding: 28px 22px; gap: 22px; }

  .cta { padding: 80px 20px; }
  .cta-headline { font-size: 2.4rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }

  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}