/* ============================================================
   ALFA SECURITY — STYLES
   Theme: Navy + Gold
   ============================================================ */

/* ---------- THEME TOKENS ---------- */

:root {
  /* Layout */
  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Typography */
  --font-display: 'Archivo', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing scale */
  --space-section: clamp(4.5rem, 9vw, 7.5rem);

  /* Radii */
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 6px;

  /* Easing */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* Z layers */
  --z-header: 50;
  --z-mobile-menu: 60;
}

/* THEME — ALFA SECURITY (Navy + Gold) */
[data-theme="alfa"] {
  --color-primary: #C9A961;
  --color-primary-dark: #A88A48;
  --color-primary-contrast: #0A1628;
  --color-primary-soft: rgba(201, 169, 97, 0.10);

  --color-bg: #0A1628;
  --color-bg-elev: #0F1E36;
  --color-bg-elev-2: #142948;
  --color-bg-light: #F6F4EE;

  --color-text: #FFFFFF;
  --color-text-dim: #A8B4C4;
  --color-text-mute: #6B7989;
  --color-text-dark: #0A1628;
  --color-text-dark-dim: #4A5666;

  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 255, 255, 0.18);
  --color-border-light: rgba(10, 22, 40, 0.10);
}

/* ---------- RESET & BASE ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

p { margin: 0; }

::selection { background: var(--color-primary); color: var(--color-primary-contrast); }

/* ---------- LAYOUT PRIMITIVES ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--space-section);
  position: relative;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 3.5rem;
  text-align: center;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-top: 0.5rem;
}
.section-title--left { text-align: left; }

.section-lead {
  margin-top: 1rem;
  color: var(--color-text-dim);
  font-size: 1.0625rem;
  line-height: 1.6;
}
.section-lead--left { text-align: left; max-width: 540px; }

/* ---------- BUTTONS ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  cursor: pointer;
  transition: background 0.2s var(--ease-out), color 0.2s var(--ease-out),
              border-color 0.2s var(--ease-out), transform 0.15s var(--ease-out);
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}
.btn--primary:hover { background: var(--color-primary-dark); }

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

.btn--lg {
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
}

.btn--block { width: 100%; justify-content: center; }

/* ---------- TOPBAR ---------- */

.topbar {
  background: var(--color-bg-elev);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-dim);
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 0.6rem;
  min-height: 38px;
}
.topbar__left { display: flex; gap: 1.5rem; align-items: center; }
.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.2s;
}
.topbar__item:hover { color: var(--color-primary); }
.topbar__item svg { color: var(--color-primary); flex-shrink: 0; }
.topbar__item strong { color: var(--color-text); font-weight: 600; }

@media (max-width: 700px) {
  .topbar__item--tagline { display: none; }
  .topbar__inner { padding-block: 0.5rem; justify-content: center; }
  .topbar__right { display: none; }
}

/* Lang switch — prominent pill button group */
.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--color-bg-elev);
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 3px 3px 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  user-select: none;
}
.lang-switch__icon {
  color: var(--color-text-mute);
  flex-shrink: 0;
  margin-right: 4px;
}
.lang-switch__btn {
  background: transparent;
  border: none;
  color: var(--color-text-dim);
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font: inherit;
  letter-spacing: inherit;
}
.lang-switch__btn:hover { color: var(--color-text); }
.lang-switch__btn.is-active {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}
/* Mobile version inside menu — full width, larger */
.lang-switch--mobile {
  align-self: flex-start;
  margin-top: 0.5rem;
}
.lang-switch--mobile .lang-switch__btn { padding: 7px 14px; font-size: 13px; }

/* ---------- HEADER ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: backdrop-filter 0.3s;
}
.header.is-scrolled {
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 84px;
}
.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.header__logo-img {
  height: 52px;
  width: 52px;
  flex-shrink: 0;
  object-fit: contain;
}
.header__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.header__logo-text strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.header__logo-text em {
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 500;
  font-size: 0.6875rem;
  color: var(--color-text-mute);
  letter-spacing: 0.04em;
  margin-top: 2px;
}
@media (max-width: 520px) {
  .header__logo-text { display: none; }
  .header__logo-img { height: 44px; width: 44px; }
}

.header__actions {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.nav {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}
.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-dim);
  position: relative;
  padding-block: 0.5rem;
  transition: color 0.2s;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}
.nav__link:hover { color: var(--color-text); }
.nav__link:hover::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
  transform-origin: center;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-bg-elev);
  border-left: 1px solid var(--color-border);
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
  padding: 6rem 2rem 2rem;
  z-index: var(--z-mobile-menu);
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.mobile-menu nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}
.mobile-menu nav a.btn { font-size: 1rem; margin-top: 1rem; }

@media (max-width: 960px) {
  .nav, .header__cta { display: none; }
  .nav-toggle { display: flex; }
  .header__actions { gap: 0.5rem; }
}
@media (max-width: 520px) {
  .header__actions .lang-switch { display: none; }
}

/* ---------- HERO ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 8vw, 6rem) clamp(4rem, 8vw, 7rem);
  background:
    radial-gradient(ellipse at top right, var(--color-primary-soft) 0%, transparent 50%),
    var(--color-bg);
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero__content { animation: rise 0.7s var(--ease-out) both; }
.hero__title {
  font-size: clamp(2.5rem, 6.5vw, 5rem);
  line-height: 0.98;
  margin-top: 1.25rem;
  font-weight: 900;
}
.hero__title-em {
  color: var(--color-primary);
  font-style: normal;
}
.hero__title span { display: block; }

.hero__subtitle {
  margin-top: 1.75rem;
  max-width: 540px;
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-dim);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin-top: 2.25rem;
}

.hero__badges {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.hero-badge { display: flex; flex-direction: column; gap: 0.25rem; }
.hero-badge__num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
}
.hero-badge__num small { font-size: 1rem; font-weight: 600; opacity: 0.8; }
.hero-badge__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.hero__visual {
  animation: rise 0.9s 0.15s var(--ease-out) both;
}
.hero__visual svg { width: 100%; height: auto; max-width: 480px; margin-left: auto; }

@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__visual { max-width: 360px; margin-inline: auto; }
}

/* ---------- SERVICES ---------- */

.services {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}
.service-card {
  background: var(--color-bg);
  padding: 2.5rem 2rem;
  transition: background 0.3s var(--ease-out);
  position: relative;
}
.service-card:hover { background: var(--color-bg-elev); }
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.4s var(--ease-out);
}
.service-card:hover::before { width: 100%; }

.service-card__icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  border-radius: var(--r-sm);
}
.service-card__title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.service-card__desc {
  color: var(--color-text-dim);
  font-size: 0.9375rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: 2rem 1.5rem; }
}

/* ---------- STATS ---------- */

.stats {
  background: var(--color-bg-elev);
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
  border-block: 1px solid var(--color-border);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.stat {
  text-align: center;
  padding-inline: 1rem;
  border-left: 1px solid var(--color-border);
}
.stat:first-child { border-left: 0; }
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

@media (max-width: 700px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1rem; }
  .stat { border-left: 0; }
  .stat:nth-child(2n) { border-left: 1px solid var(--color-border); }
}

/* ---------- ABOUT / WHY US ---------- */

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: center;
}
.about__media { position: relative; }
.about__media-card {
  position: relative;
  z-index: 2;
  border: 1px solid var(--color-border);
  overflow: hidden;
}
.about__media-accent {
  position: absolute;
  top: 30px; left: 30px;
  width: 100%; height: 100%;
  background: var(--color-primary);
  z-index: 1;
  opacity: 0.15;
}

.features {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 1.25rem;
}
.feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.feature__icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: 50%;
}
.feature strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}
.feature span {
  color: var(--color-text-dim);
  font-size: 0.9375rem;
}

@media (max-width: 900px) {
  .about__inner { grid-template-columns: 1fr; gap: 3rem; }
  .about__media { max-width: 420px; }
}

/* ---------- PROCESS ---------- */

.process { background: var(--color-bg); }
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}
.process__steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 12.5%; right: 12.5%;
  height: 1px;
  background: var(--color-border-strong);
  background-image: linear-gradient(to right, var(--color-border-strong) 50%, transparent 50%);
  background-size: 12px 1px;
  z-index: 0;
}
.step {
  text-align: center;
  position: relative;
  z-index: 1;
  padding-inline: 1rem;
}
.step__num {
  display: inline-grid;
  place-items: center;
  width: 48px; height: 48px;
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 1.5rem;
  border-radius: 50%;
  letter-spacing: 0.04em;
}
.step__title {
  font-size: 1.1875rem;
  margin-bottom: 0.625rem;
}
.step__desc {
  color: var(--color-text-dim);
  font-size: 0.9375rem;
}

@media (max-width: 800px) {
  .process__steps { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 1.5rem; }
  .process__steps::before { display: none; }
}
@media (max-width: 480px) {
  .process__steps { grid-template-columns: 1fr; }
}

/* ---------- CONTACT ---------- */

.contact {
  background: var(--color-bg-elev);
  border-top: 1px solid var(--color-border);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 4rem;
  align-items: start;
}
.contact__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}
.contact__detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  margin-bottom: 0.375rem;
}
.contact__detail-value {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  transition: color 0.2s;
}
a.contact__detail-value:hover { color: var(--color-primary); }

/* Form */
.contact__form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2.25rem;
  display: grid;
  gap: 1.25rem;
}
.field { display: grid; gap: 0.5rem; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  font-size: 0.9375rem;
  background: var(--color-bg-elev-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.75rem 0.875rem;
  border-radius: var(--r-md);
  transition: border-color 0.2s, background 0.2s;
  font-family: var(--font-body);
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg);
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--color-text-dim) 50%), linear-gradient(135deg, var(--color-text-dim) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.25rem; }

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-mute);
  text-align: center;
  margin-top: 0.25rem;
}

@media (max-width: 900px) {
  .contact__inner { grid-template-columns: 1fr; gap: 3rem; }
  .contact__details { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .field-row { grid-template-columns: 1fr; }
  .contact__form { padding: 1.75rem 1.5rem; }
  .contact__details { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ---------- FOOTER ---------- */

.footer {
  background: var(--color-bg);
  color: var(--color-text-dim);
  padding-top: 4rem;
  border-top: 1px solid var(--color-border);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
}
.footer__logo { height: 48px; width: 48px; object-fit: contain; margin-bottom: 1.25rem; }
.footer__tagline {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 340px;
}
.footer__heading {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}
.footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.625rem;
}
.footer__col li, .footer__col a {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  transition: color 0.2s;
}
.footer__col a:hover { color: var(--color-primary); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: 1.5rem;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-text-mute);
}
.footer__legal { display: flex; gap: 0.625rem; align-items: center; }
.footer__legal a:hover { color: var(--color-primary); }

@media (max-width: 800px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}
@media (max-width: 480px) {
  .footer__inner { grid-template-columns: 1fr; }
}

/* ---------- UTILITIES ---------- */

[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}