/* ===================================================
   VERILINK ADVISORY — style.css
   Corporate Sourcing & Procurement Landing Page
   =================================================== */

/* ---------------------------------------------------
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
--------------------------------------------------- */
:root {
  --primary:       #14ad6c;
  --primary-dark:  #0e8a55;
  --primary-light: #1ec97d;
  --dark:          #0c0c0c;
  --dark-2:        #111111;
  --dark-surface:  #141414;
  --grey-100:      #f5f5f3;
  --grey-200:      #ebebeb;
  --grey-400:      #9a9a9a;
  --grey-600:      #555555;
  --white:         #ffffff;

  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-body:     'DM Sans', sans-serif;

  --radius-sm:     4px;
  --radius-md:     8px;
  --radius-lg:     16px;

  --shadow-sm:     0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:     0 8px 32px rgba(0,0,0,0.10);
  --shadow-lg:     0 20px 60px rgba(0,0,0,0.14);

  --transition:    all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: all 0.20s ease;
}


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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  color: var(--dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* Section padding utility */
.section-pad {
  padding: 120px 0;
}

/* Dark surface background */
.bg-dark-surface {
  background-color: var(--dark-surface);
}

/* ---------------------------------------------------
   3. TYPOGRAPHY SYSTEM
--------------------------------------------------- */
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
  position: relative;
  padding-left: 36px;
}

.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 1px;
  background: var(--primary);
}

.tag-light {
  color: var(--primary-light);
}

.tag-light::before {
  background: var(--primary-light);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--dark);
  letter-spacing: -0.02em;
}

.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.title-light {
  color: var(--white);
}

.section-intro-text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--grey-400);
  font-weight: 300;
}


/* ---------------------------------------------------
   4. NAVIGATION
--------------------------------------------------- */
.nav-main {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 22px 0;
  transition: var(--transition);
  background: transparent;
}

.nav-main.nav-scrolled {
  padding: 14px 0;
  background: rgba(10, 10, 10, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand-logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--white) !important;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--grey-400);
  align-self: flex-end;
  margin-bottom: 2px;
}

.nav-lnk {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72) !important;
  padding: 6px 10px !important;
  transition: var(--transition-fast);
}

.nav-lnk:hover {
  color: var(--white) !important;
}

.btn-cta-nav {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark) !important;
  background: var(--primary);
  border: none;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.btn-cta-nav:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

/* Hamburger */
.nav-toggler {
  display: flex;
  flex-direction: column;
  gap: 5px;
  border: none;
  background: none;
  padding: 4px;
  cursor: pointer;
}

.toggler-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition-fast);
}


/* ---------------------------------------------------
   5. HERO SECTION
--------------------------------------------------- */
.hero-section {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Background image via CSS — industrial / supply chain imagery from Unsplash */
.hero-image-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?w=1920&q=80&auto=format&fit=crop');
  background-size: cover;
  background-position: center 40%;
  transform: scale(1.04);
  animation: heroZoom 16s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.04); }
  to   { transform: scale(1.00); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.88) 0%,
    rgba(0,0,0,0.65) 55%,
    rgba(0,0,0,0.30) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(20px);
  animation: revealUp 0.8s 0.3s forwards;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(24px);
  animation: revealUp 0.9s 0.5s forwards;
}

.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--primary);
}

.hero-sub {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(255,255,255,0.72);
  max-width: 520px;
  margin-bottom: 42px;
  opacity: 0;
  transform: translateY(24px);
  animation: revealUp 0.9s 0.7s forwards;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  transform: translateY(24px);
  animation: revealUp 0.9s 0.9s forwards;
}

.btn-primary-cta {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark);
  background: var(--primary);
  border: none;
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-primary-cta:hover {
  background: var(--primary-light);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(20, 173, 108, 0.35);
}

.btn-ghost-cta {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.80);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.28);
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-ghost-cta:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.06);
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: revealUp 0.8s 1.4s forwards;
}

.scroll-line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

.hero-scroll-indicator span {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.40);
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

@keyframes revealUp {
  to { opacity: 1; transform: translateY(0); }
}


/* ---------------------------------------------------
   6. TICKER / MARQUEE
--------------------------------------------------- */
.ticker-wrap {
  background: var(--primary);
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
}

.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 0;
  animation: ticker 38s linear infinite;
}

.ticker-track span {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark);
  padding: 0 28px;
}

.ticker-dot {
  font-size: 0.5rem !important;
  padding: 0 4px !important;
  color: rgba(0,0,0,0.40) !important;
}

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}


/* ---------------------------------------------------
   7. INTRODUCTION SECTION
--------------------------------------------------- */
.intro-section {
  background: var(--white);
}

.intro-body {
  font-size: 1.05rem;
  line-height: 1.80;
  color: var(--grey-600);
  font-weight: 300;
  margin-bottom: 20px;
}

.stat-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-400);
}

.intro-stats {
  border-top: 1px solid var(--grey-200);
  padding-top: 36px;
}


/* ---------------------------------------------------
   8. SERVICES SECTION
--------------------------------------------------- */
.services-section {
  background: var(--dark-surface);
}

.service-card {
  position: relative;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  height: 100%;
  transition: var(--transition);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(20, 173, 108, 0.20);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card--accent {
  background: rgba(20, 173, 108, 0.08);
  border-color: rgba(20, 173, 108, 0.25);
}

.service-card--accent::before {
  transform: scaleX(1);
}

.service-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(20, 173, 108, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-wrap {
  background: rgba(20, 173, 108, 0.22);
}

.service-icon {
  font-size: 1.3rem;
  color: var(--primary);
}

.service-card-title {
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.service-list li {
  font-size: 0.875rem;
  font-weight: 300;
  color: rgba(255,255,255,0.56);
  line-height: 1.6;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding-left: 16px;
  position: relative;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 1px;
  background: var(--primary);
}

.service-list li:last-child {
  border-bottom: none;
}

.card-number {
  position: absolute;
  bottom: 28px;
  right: 28px;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
  transition: var(--transition);
}

.service-card:hover .card-number {
  color: rgba(20, 173, 108, 0.10);
}


/* ---------------------------------------------------
   9. ABOUT SECTION
--------------------------------------------------- */
.about-section {
  background: var(--grey-100);
}

.about-panel {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 36px;
  border: 1px solid var(--grey-200);
  transition: var(--transition);
}

.about-panel:hover {
  border-color: rgba(20, 173, 108, 0.30);
  box-shadow: var(--shadow-md);
}

.about-panel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(20, 173, 108, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.2rem;
  color: var(--primary);
}

.about-panel-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.about-panel-text {
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--grey-600);
  font-weight: 300;
}

.about-intro-text {
  font-size: 1.1rem;
  line-height: 1.78;
  color: var(--grey-600);
  font-weight: 300;
  border-left: 3px solid var(--primary);
  padding-left: 22px;
}

.markets-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.market-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  transition: var(--transition);
}

.market-card:hover {
  border-color: rgba(20, 173, 108, 0.35);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.market-flag {
  font-size: 1.8rem;
  line-height: 1;
}

.market-name {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  letter-spacing: 0.02em;
}

.market-desc {
  font-size: 0.78rem;
  color: var(--grey-400);
  margin-top: 2px;
  font-weight: 300;
}


/* ---------------------------------------------------
   10. WHY CHOOSE US
--------------------------------------------------- */
.why-card {
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-md);
  padding: 40px 30px;
  height: 100%;
  transition: var(--transition);
}

.why-card:hover {
  background: rgba(255,255,255,0.055);
  transform: translateY(-4px);
  border-color: rgba(20, 173, 108, 0.20);
}

.why-card--highlight {
  border-color: rgba(20, 173, 108, 0.30);
  background: rgba(20, 173, 108, 0.07);
}

.why-icon {
  display: block;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 24px;
}

.why-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.why-text {
  font-size: 0.875rem;
  line-height: 1.78;
  color: rgba(255,255,255,0.50);
  font-weight: 300;
}


/* ---------------------------------------------------
   11. CONTACT SECTION
--------------------------------------------------- */
.contact-section {
  background: var(--white);
}

.contact-intro {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--grey-600);
  font-weight: 300;
  margin-top: 24px;
  max-width: 420px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.contact-item-icon {
  font-size: 1.1rem;
  color: var(--primary);
  margin-top: 2px;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.70rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-400);
  margin-bottom: 3px;
}

.contact-item-value {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--dark);
}

/* Contact Form */
.contact-form {
  background: var(--grey-100);
  border-radius: var(--radius-lg);
  padding: 50px 44px;
}

.form-label-custom {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-600);
  margin-bottom: 10px;
}

.form-control-custom {
  width: 100%;
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--dark);
  transition: var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-control-custom::placeholder {
  color: var(--grey-400);
}

.form-control-custom:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(20, 173, 108, 0.12);
}

.form-control-custom.is-error {
  border-color: #e74c3c;
}

.invalid-feedback-custom {
  display: none;
  font-size: 0.78rem;
  color: #e74c3c;
  margin-top: 6px;
}

.invalid-feedback-custom.visible {
  display: block;
}

.btn-form-submit {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dark);
  background: var(--primary);
  border: none;
  padding: 18px 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.btn-form-submit:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(20, 173, 108, 0.30);
}

.form-disclaimer {
  font-size: 0.75rem;
  color: var(--grey-400);
  font-weight: 300;
  text-align: center;
  line-height: 1.6;
  margin-top: 4px;
}

.form-success-msg {
  display: none;
  align-items: center;
  gap: 14px;
  background: rgba(20, 173, 108, 0.09);
  border: 1px solid rgba(20, 173, 108, 0.30);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-top: 20px;
  font-size: 0.92rem;
  color: var(--primary-dark);
  font-weight: 400;
}

.form-success-msg.visible {
  display: flex;
}

.form-success-msg i {
  font-size: 1.5rem;
  flex-shrink: 0;
}


/* ---------------------------------------------------
   12. FOOTER
--------------------------------------------------- */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--white);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--grey-400);
  margin: 0;
  font-weight: 300;
}

.footer-nav {
  display: flex;
  gap: 24px;
  justify-content: flex-end;
}

.footer-nav a {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--grey-400);
  transition: var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--primary);
}


/* ---------------------------------------------------
   13. SCROLL REVEAL ANIMATIONS
--------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

.service-card,
.why-card,
.about-panel,
.market-card {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease, background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card.revealed,
.why-card.revealed,
.about-panel.revealed,
.market-card.revealed {
  opacity: 1;
  transform: translateY(0);
}


/* ---------------------------------------------------
   14. RESPONSIVE BREAKPOINTS
--------------------------------------------------- */
@media (max-width: 991.98px) {
  .section-pad { padding: 80px 0; }

  .hero-headline { font-size: clamp(2.4rem, 8vw, 4rem); }

  .contact-form { padding: 36px 28px; }

  .footer-nav { justify-content: flex-start; margin-top: 10px; }
}

@media (max-width: 767.98px) {
  .section-pad { padding: 64px 0; }

  .hero-actions { flex-direction: column; }

  .btn-primary-cta,
  .btn-ghost-cta { text-align: center; width: 100%; }

  .hero-scroll-indicator { display: none; }

  .intro-stats { margin-top: 24px; }

  .service-card { padding: 30px 24px; }

  .contact-form { padding: 28px 20px; }

  .footer-nav {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
  }
}

@media (max-width: 575.98px) {
  .ticker-wrap { display: none; }

  .hero-headline { font-size: 2.4rem; }

  .section-title { font-size: 2rem; }

  .stat-number { font-size: 2.2rem; }
}