/* ================================================================
   Systrend — Design System
   IBM / Accenture / Stripe-level enterprise aesthetic
   Fonts: Manrope (headings) · Inter (body)
   ================================================================ */

/* ----------------------------------------------------------------
   CUSTOM PROPERTIES
   ---------------------------------------------------------------- */
:root {
  /* ---- Palette (matched to Systrend Consulting logo) ---- */
  /* Logo navy: ~#1A2A5E  |  Logo blue: ~#3654A8  |  Logo green: ~#2C6A3C */
  --navy-950:  #0E1A3A;
  --navy-900:  #1A2A5E;
  --navy-800:  #243577;
  --navy-700:  #2E4090;
  --navy-100:  #E6EAF5;
  --navy-50:   #F0F3FA;

  --sky-500:   #3654A8;   /* logo medium blue (mountain peak) */
  --sky-400:   #5070C4;
  --sky-100:   #E4EAF7;

  --green-600: #2C6A3C;   /* logo forest green (mountain base) */
  --green-100: #E4F0E8;

  --neutral-900: #0A0F1E;
  --neutral-700: #1E2740;
  --neutral-500: #455066;
  --neutral-400: #697488;
  --neutral-200: #D8DDE8;
  --neutral-100: #EEF0F5;
  --neutral-50:  #F7F8FC;
  --white:       #FFFFFF;

  --success-bg:  #EDFBF3;
  --success-bdr: #6FD4A3;
  --success-txt: #1A6B45;
  --error:       #D93025;

  /* ---- Typography ---- */
  --font-head: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --scale-xs:   0.75rem;    /*  12 */
  --scale-sm:   0.875rem;   /*  14 */
  --scale-base: 1rem;       /*  16 */
  --scale-lg:   1.125rem;   /*  18 */
  --scale-xl:   1.25rem;    /*  20 */
  --scale-2xl:  1.5rem;     /*  24 */
  --scale-3xl:  1.875rem;   /*  30 */
  --scale-4xl:  2.25rem;    /*  36 */
  --scale-5xl:  3rem;       /*  48 */
  --scale-6xl:  3.75rem;    /*  60 */
  --scale-7xl:  4.5rem;     /*  72 */

  /* ---- Spacing ---- */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;

  /* ---- Header height (used in hero/page-hero padding) ---- */
  --header-h: 96px;

  /* ---- Layout ---- */
  --max-w:        1200px;
  --radius-sm:    0.25rem;
  --radius-md:    0.5rem;
  --radius-lg:    0.875rem;
  --radius-xl:    1.25rem;
  --radius-full:  9999px;

  /* ---- Shadow ---- */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.13), 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);

  /* ---- Motion ---- */
  --ease:         cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast:     180ms;
  --dur-base:     260ms;
  --dur-slow:     420ms;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--scale-base);
  font-weight: 400;
  line-height: 1.65;
  color: var(--neutral-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg    { display: block; max-width: 100%; }
a           { color: inherit; text-decoration: none; }
ul, ol      { list-style: none; }
button      { cursor: pointer; font: inherit; border: none; background: none; }
input, select, textarea { font: inherit; color: inherit; }
abbr[title] { text-decoration: none; }

/* ----------------------------------------------------------------
   LAYOUT UTILITY
   ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(var(--sp-4), 5vw, var(--sp-10));
}

/* ================================================================
   SHARED DESIGN TOKENS — Components
   ================================================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.75rem 1.625rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--scale-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
  transition:
    background   var(--dur-fast) var(--ease),
    color        var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    box-shadow   var(--dur-fast) var(--ease),
    transform    var(--dur-fast) var(--ease);
}

.btn--primary {
  background: var(--navy-900);
  color: var(--white);
  box-shadow: 0 1px 3px rgba(0,45,110,0.40);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--navy-800);
  box-shadow: 0 4px 14px rgba(0,45,110,0.35);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 1.5px solid rgba(255,255,255,0.35);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
}

.btn--block { width: 100%; }

/* ---- Logo ---- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--navy-900);
  font-family: var(--font-head);
  font-size: var(--scale-xl);
  font-weight: 700;
}
.logo--light { color: var(--white); }
.logo__img   { height: 72px; width: auto; object-fit: contain; border-radius: 8px; }
.logo__img--light { box-shadow: 0 0 0 1px rgba(255,255,255,0.14); border-radius: 8px; }
.logo__fallback {
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-head);
  font-size: var(--scale-xl);
  font-weight: 600;
}
.logo__fallback strong      { font-weight: 800; color: var(--navy-900); }
.logo__fallback--light span,
.logo__fallback--light      { color: var(--white); }
.logo__fallback--light strong { color: var(--sky-400); }

/* ---- Section typography ---- */
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--scale-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sky-500);
  margin-bottom: var(--sp-3);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(var(--scale-3xl), 4.5vw, var(--scale-5xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--navy-950);
  margin-bottom: var(--sp-4);
}

.section-lead {
  font-size: var(--scale-lg);
  color: var(--neutral-500);
  line-height: 1.7;
  max-width: 58ch;
}

.section-header {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-header--inverted .section-title,
.section-header--inverted .section-lead { color: var(--white); }
.section-header--inverted .section-lead { color: rgba(255,255,255,0.72); }

/* ================================================================
   HEADER
   ================================================================ */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--neutral-200);
  transition: box-shadow var(--dur-base) var(--ease);
}
.header.is-scrolled { box-shadow: var(--shadow-md); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Nav */
.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--scale-sm);
  font-weight: 500;
  color: var(--neutral-500);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.nav__link:hover,
.nav__link:focus-visible,
.nav__link.is-active {
  color: var(--white);
  background: var(--navy-900);
  box-shadow: 0 1px 4px rgba(0,45,110,0.30);
}

.nav__link svg { width: 14px; height: 14px; }

.nav__cta {
  background: var(--navy-900);
  color: var(--white);
  padding: var(--sp-2) var(--sp-5);
  font-weight: 600;
  margin-left: var(--sp-2);
  box-shadow: 0 1px 4px rgba(0,45,110,0.30);
}
.nav__cta:hover,
.nav__cta:focus-visible {
  background: var(--navy-800);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(0,45,110,0.28);
}
.nav__cta svg { transition: transform var(--dur-fast) var(--ease); }
.nav__cta:hover svg { transform: translateX(3px); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  padding: var(--sp-2);
}
.nav-toggle span {
  display: block;
  height: 1.75px;
  background: var(--neutral-700);
  border-radius: 2px;
  transform-origin: center;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.75px) rotate(-45deg); }

/* ================================================================
   HERO
   ================================================================ */
.hero {
  position: relative;
  background: var(--navy-950);
  padding-block-start: var(--header-h); /* header height */
  overflow: hidden;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

/* Background layers */
.hero__canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size: 28px 28px;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.hero__glow--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(54,84,168,0.55), transparent 70%);
  top: -100px; right: -60px;
}
.hero__glow--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(44,106,60,0.22), transparent 70%);
  bottom: 80px; left: 10%;
}

/* Layout */
.hero__inner {
  position: relative;
  z-index: 1;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-16);
  align-items: center;
  padding-block: var(--sp-20);
}

/* Content */
.hero__content { max-width: 600px; }

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--scale-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sky-400);
  background: rgba(59,179,232,0.1);
  border: 1px solid rgba(59,179,232,0.22);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.9rem;
  margin-bottom: var(--sp-6);
}

.hero__title {
  font-family: var(--font-head);
  font-size: clamp(var(--scale-4xl), 6vw, var(--scale-7xl));
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--white);
  margin-bottom: var(--sp-6);
}
.hero__em {
  font-style: normal;
  color: var(--sky-400);
}

.hero__lead {
  font-size: var(--scale-lg);
  color: rgba(255,255,255,0.68);
  line-height: 1.75;
  margin-bottom: var(--sp-8);
  max-width: 52ch;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

/* Metric cards */
.hero__metrics {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  padding-block: var(--sp-8);
}

.metric-card {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-xl);
  padding: var(--sp-5) var(--sp-6);
  backdrop-filter: blur(8px);
  color: var(--white);
  animation: cardFloat 7s var(--ease) infinite;
}
.metric-card--offset {
  margin-inline-start: var(--sp-8);
  animation-delay: 2.3s;
}
.metric-card:nth-child(3) { animation-delay: 4.6s; }

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-7px); }
}

.metric-card__icon {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59,179,232,0.14);
  border-radius: var(--radius-lg);
  color: var(--sky-400);
}
.metric-card__icon svg { width: 22px; height: 22px; }

.metric-card__body  { display: flex; flex-direction: column; gap: 2px; }
.metric-card__label { font-size: var(--scale-xs); color: rgba(255,255,255,0.55); }
.metric-card__value { font-family: var(--font-head); font-size: var(--scale-xl); font-weight: 700; }

/* Bottom divider wave */
.hero__divider {
  position: relative;
  z-index: 1;
  line-height: 0;
  margin-top: auto;
}
.hero__divider svg { width: 100%; height: 64px; }

/* ================================================================
   STATS BAND
   ================================================================ */
.stats-band {
  background: var(--navy-50);
  border-bottom: 1px solid var(--neutral-200);
  padding-block: var(--sp-12);
}

.stats-band__list {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.stats-band__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
}

.stats-band__value {
  font-family: var(--font-head);
  font-size: clamp(var(--scale-3xl), 4vw, var(--scale-5xl));
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--navy-900);
}
.stats-band__value span { color: var(--sky-500); }

.stats-band__label {
  font-size: var(--scale-sm);
  color: var(--neutral-400);
  font-weight: 500;
  text-align: center;
}

.stats-band__sep {
  width: 1px;
  height: 52px;
  background: var(--neutral-200);
  flex-shrink: 0;
}

/* ================================================================
   SERVICES
   ================================================================ */
.services {
  padding-block: var(--sp-24);
  background: var(--white);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.svc-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  transition:
    border-color var(--dur-base) var(--ease),
    box-shadow   var(--dur-base) var(--ease),
    transform    var(--dur-base) var(--ease);
  position: relative;
  overflow: hidden;
}

/* top accent bar */
.svc-card::after {
  content: '';
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--navy-900), var(--sky-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-slow) var(--ease);
}

.svc-card:hover {
  border-color: var(--navy-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.svc-card:hover::after { transform: scaleX(1); }

.svc-card__top {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.svc-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-50);
  border-radius: var(--radius-lg);
  color: var(--navy-900);
  transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
.svc-card__icon svg       { width: 24px; height: 24px; }
.svc-card:hover .svc-card__icon { background: var(--navy-900); color: var(--white); }

.svc-card__title {
  font-family: var(--font-head);
  font-size: var(--scale-lg);
  font-weight: 700;
  color: var(--navy-950);
  line-height: 1.25;
  padding-top: 0.2rem;
}

.svc-card__desc {
  font-size: var(--scale-sm);
  color: var(--neutral-500);
  line-height: 1.75;
  margin-bottom: var(--sp-5);
  flex: 1;
}

.svc-card__tags {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--neutral-100);
}
.svc-card__tags li {
  font-size: var(--scale-xs);
  color: var(--neutral-400);
  padding-inline-start: var(--sp-4);
  position: relative;
}
.svc-card__tags li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--sky-500);
}

/* ================================================================
   ABOUT
   ================================================================ */
.about {
  padding-block: var(--sp-24);
  background: var(--neutral-50);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--sp-20);
  align-items: center;
}

/* Visual */
.about__visual {
  display: flex;
  justify-content: center;
}
.about__visual-box {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-md);
}
.about__visual-box svg { width: 100%; height: auto; }

.about__badge {
  position: absolute;
  bottom: -var(--sp-6);
  right: -var(--sp-6);
  bottom: -1.5rem;
  right: -1.5rem;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-5);
  box-shadow: var(--shadow-lg);
}
.about__badge strong {
  font-family: var(--font-head);
  font-size: var(--scale-4xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}
.about__badge strong span { color: var(--sky-400); }
.about__badge > span {
  font-size: var(--scale-xs);
  line-height: 1.5;
  color: rgba(255,255,255,0.8);
}

/* Content */
.about__content { max-width: 560px; }
.about__content p {
  font-size: var(--scale-base);
  color: var(--neutral-500);
  line-height: 1.8;
  margin-bottom: var(--sp-4);
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-top: var(--sp-8);
}

.pillar {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--dur-base) var(--ease);
}
.pillar:hover { box-shadow: var(--shadow-sm); }

.pillar__icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-50);
  border-radius: var(--radius-md);
  color: var(--navy-900);
}
.pillar__icon svg { width: 18px; height: 18px; }

.pillar__text { display: flex; flex-direction: column; gap: 2px; }
.pillar__text strong { font-size: var(--scale-sm); font-weight: 600; color: var(--navy-950); }
.pillar__text span   { font-size: var(--scale-xs); color: var(--neutral-400); }

/* ================================================================
   WHY SYSTREND
   ================================================================ */
.why-us {
  position: relative;
  padding-block: var(--sp-24);
  overflow: hidden;
}

.why-us__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, var(--navy-950) 0%, var(--navy-900) 60%, var(--navy-800) 100%);
  z-index: 0;
}
.why-us__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
}

.why-us .container { position: relative; z-index: 1; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-5);
}

.why-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  transition: background var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.why-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-2px); }

.why-card__num {
  display: inline-block;
  font-family: var(--font-head);
  font-size: var(--scale-xs);
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--sky-500);
  margin-bottom: var(--sp-4);
}

.why-card__title {
  font-family: var(--font-head);
  font-size: var(--scale-lg);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--sp-3);
  line-height: 1.3;
}

.why-card__desc {
  font-size: var(--scale-sm);
  color: rgba(255,255,255,0.62);
  line-height: 1.8;
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact {
  padding-block: var(--sp-24);
  background: var(--white);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--sp-20);
  align-items: start;
}

.contact__info { max-width: 440px; }
.contact__info > p {
  font-size: var(--scale-base);
  color: var(--neutral-500);
  line-height: 1.8;
  margin-bottom: var(--sp-8);
}

.contact__list { display: flex; flex-direction: column; gap: var(--sp-4); }

.contact__item {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
.contact__item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-50);
  border-radius: var(--radius-lg);
  color: var(--navy-900);
}
.contact__item-icon svg { width: 20px; height: 20px; }
.contact__item > div { display: flex; flex-direction: column; gap: 2px; }
.contact__item strong { font-size: var(--scale-sm); font-weight: 600; color: var(--navy-950); }
.contact__item span,
.contact__item a {
  font-size: var(--scale-sm);
  color: var(--neutral-500);
  transition: color var(--dur-fast) var(--ease);
}
.contact__item a:hover { color: var(--navy-900); }

/* ---- Form ---- */
.contact__form-wrap {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
}

.contact-form { display: flex; flex-direction: column; gap: 0; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-5);
}

.form-group label {
  font-size: var(--scale-sm);
  font-weight: 600;
  color: var(--navy-950);
}
.form-group label abbr { color: var(--navy-700); margin-left: 2px; }

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.875rem;
  background: var(--white);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-md);
  font-size: var(--scale-sm);
  color: var(--neutral-700);
  outline: none;
  transition:
    border-color var(--dur-fast) var(--ease),
    box-shadow   var(--dur-fast) var(--ease);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--neutral-400); }

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--navy-900);
  box-shadow: 0 0 0 3px rgba(0,45,110,0.10);
}
.form-group input.is-invalid,
.form-group textarea.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(217,48,37,0.10);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* Select */
.select-wrap {
  position: relative;
}
.select-wrap select {
  width: 100%;
  padding: 0.65rem 2.75rem 0.65rem 0.875rem;
  background: var(--white);
  border: 1.5px solid var(--neutral-200);
  border-radius: var(--radius-md);
  font-size: var(--scale-sm);
  color: var(--neutral-700);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.select-wrap select:focus {
  border-color: var(--navy-900);
  box-shadow: 0 0 0 3px rgba(0,45,110,0.10);
}
.select-arrow {
  position: absolute;
  right: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  color: var(--neutral-400);
  pointer-events: none;
}

/* Inline field error */
.form-error {
  font-size: var(--scale-xs);
  color: var(--error);
  min-height: 1rem;
}

.form-note {
  font-size: var(--scale-xs);
  color: var(--neutral-400);
  text-align: center;
  margin-top: var(--sp-3);
}

.form-success[hidden] { display: none; }
.form-success {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  background: var(--success-bg);
  border: 1px solid var(--success-bdr);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-top: var(--sp-4);
}
.form-success svg { flex-shrink: 0; width: 22px; height: 22px; stroke: #2ecc71; }
.form-success div { display: flex; flex-direction: column; gap: 2px; }
.form-success strong { font-size: var(--scale-sm); font-weight: 600; color: var(--success-txt); }
.form-success span   { font-size: var(--scale-xs); color: var(--success-txt); opacity: 0.85; }

/* ================================================================
   CLIENTS
   ================================================================ */
.clients {
  padding-block: var(--sp-24);
  background: var(--white);
}

.clients__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.client-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: var(--neutral-500);
  transition: color var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}

.client-logo:hover {
  color: var(--navy-900);
  transform: translateY(-2px);
}

.client-logo svg {
  height: auto;
  width: 100%;
  border-radius: 10px;
  filter: grayscale(20%);
  opacity: 0.88;
  transition: filter var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease),
              transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.client-logo:hover svg {
  filter: grayscale(0%);
  opacity: 1;
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}

.client-logo span {
  display: none; /* name is now embedded inside the SVG */
  font-family: var(--font-head);
  font-size: var(--scale-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Testimonials inside clients section */
.clients__testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--sp-8);
  margin-top: var(--sp-16);
}

.testimonial-card {
  background: var(--neutral-50);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  transition: box-shadow var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-card__quote svg {
  width: 28px;
  height: 20px;
  color: var(--sky-400);
  opacity: 0.5;
}

.testimonial-card__body {
  flex: 1;
  font-size: var(--scale-base);
  line-height: 1.8;
  color: var(--neutral-700);
  font-style: italic;
  border: none;
  padding: 0;
  margin: 0;
}

.testimonial-card__body p { margin: 0; }

.testimonial-card__footer {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--neutral-200);
}

.testimonial-card__footer svg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
}

.testimonial-card__name {
  display: block;
  font-family: var(--font-head);
  font-size: var(--scale-sm);
  font-weight: 700;
  color: var(--navy-900);
}

.testimonial-card__org {
  font-size: var(--scale-sm);
  color: var(--neutral-500);
}

@media (max-width: 960px) {
  .clients__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .clients__grid { grid-template-columns: 1fr; }
  .clients__testimonials { grid-template-columns: 1fr; }
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: var(--navy-950);
  padding-block-start: var(--sp-20);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 2fr;
  gap: var(--sp-20);
  padding-block-end: var(--sp-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand { max-width: 340px; }
.footer__tagline {
  margin-top: var(--sp-4);
  font-size: var(--scale-sm);
  color: rgba(255,255,255,0.44);
  line-height: 1.75;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.footer__col-title {
  font-size: var(--scale-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-bottom: var(--sp-4);
}

.footer__col ul { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer__col li { font-size: var(--scale-sm); color: rgba(255,255,255,0.55); }
.footer__col li a {
  transition: color var(--dur-fast) var(--ease);
}
.footer__col li a:hover { color: var(--sky-400); }

.footer__bottom {
  padding-block: var(--sp-5);
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: var(--scale-xs);
  color: rgba(255,255,255,0.28);
}

/* ================================================================
   SCROLL REVEAL
   ================================================================ */
.js-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.js-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   FOCUS VISIBLE
   ================================================================ */
:focus-visible {
  outline: 2px solid var(--sky-500);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* ---- Tablet landscape / small desktop ---- */
@media (max-width: 1100px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid       { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .hero__inner   { grid-template-columns: 1fr; }
  .hero__metrics { display: none; }
  .hero { min-height: auto; }
  .hero__inner   { padding-block: var(--sp-16); }

  .about__inner   { grid-template-columns: 1fr; }
  .about__visual  { display: none; }
  .about__content { max-width: 100%; }

  .contact__inner { grid-template-columns: 1fr; }
  .contact__info  { max-width: 100%; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { max-width: 100%; }
}

/* ---- Tablet ---- */
@media (max-width: 768px) {
  :root { --header-h: 72px; }

  /* Logo */
  .logo__img { height: 50px; }

  /* Nav toggle */
  .nav-toggle { display: flex; }

  .nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--neutral-200);
    padding: var(--sp-4) var(--sp-6) var(--sp-6);
    box-shadow: var(--shadow-lg);
  }
  .nav.is-open { display: block; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-1);
  }
  .nav__link    { padding: var(--sp-3) var(--sp-4); }
  .nav__cta     { text-align: center; margin-left: 0; margin-top: var(--sp-2); }

  /* Reduce section vertical padding */
  .services, .about, .why-us, .contact, .clients { padding-block: var(--sp-16); }
  .section-header { margin-bottom: var(--sp-10); }

  /* Page hero */
  .page-hero { padding-block-end: var(--sp-10); }

  /* Grids */
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid       { grid-template-columns: repeat(2, 1fr); }
  .footer__nav    { grid-template-columns: 1fr 1fr; }
  .form-row       { grid-template-columns: 1fr; }

  /* Stats */
  .stats-band__sep { display: none; }
  .stats-band { padding-block: var(--sp-8); }

  /* Footer */
  .footer__bottom-inner { justify-content: center; text-align: center; }

  /* Home CTA strip */
  .home-cta-strip { padding-block: var(--sp-14); }
  .home-cta-strip__inner { flex-direction: column; align-items: flex-start; }
  .home-cta-strip__actions { width: 100%; }
  .home-cta-strip__actions .btn { flex: 1; justify-content: center; }
}

/* ---- Mobile ---- */
@media (max-width: 520px) {
  :root { --header-h: 68px; }

  /* Logo smaller on phone */
  .logo__img { height: 44px; }

  /* Hero */
  .hero__title { letter-spacing: -0.025em; }
  .hero__inner { padding-block: var(--sp-12); }
  .hero__ctas  { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }

  /* Stats band: 2×2 grid */
  .stats-band__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
    justify-items: center;
  }

  /* Grids → single column */
  .services__grid { grid-template-columns: 1fr; }
  .why-grid       { grid-template-columns: 1fr; }
  .footer__nav    { grid-template-columns: 1fr; }

  /* Contact form */
  .contact__form-wrap { padding: var(--sp-5); }

  /* Page hero text */
  .page-hero__title { font-size: clamp(var(--scale-3xl), 8vw, var(--scale-4xl)); }
  .page-hero__lead  { font-size: var(--scale-base); }
  .page-hero { padding-block-start: calc(var(--sp-10) + var(--header-h)); padding-block-end: var(--sp-8); }

  /* CTA strip */
  .home-cta-strip__inner h2 { font-size: var(--scale-2xl); }
  .home-cta-strip__actions { flex-direction: column; }
  .home-cta-strip__actions .btn { width: 100%; }

  /* Client grid */
  .clients__grid { grid-template-columns: 1fr 1fr; }
}

/* ================================================================
   MULTI-PAGE ADDITIONS
   ================================================================ */

/* ---- Active nav link ---- */
.nav__link--active {
  color: var(--white);
  background: var(--navy-900);
  box-shadow: 0 1px 4px rgba(0,45,110,0.30);
  font-weight: 600;
}

/* ---- Page Hero Banner ---- */
.page-hero {
  background: linear-gradient(150deg, var(--navy-950) 0%, var(--navy-900) 60%, var(--navy-800) 100%);
  padding-block: var(--sp-20) var(--sp-16);
  padding-block-start: calc(var(--sp-20) + var(--header-h));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 70% 30%, rgba(54,84,168,0.4) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero .section-eyebrow { color: var(--sky-400); }
.page-hero__title {
  font-family: var(--font-head);
  font-size: clamp(var(--scale-4xl), 5vw, var(--scale-6xl));
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  margin-block: var(--sp-3) var(--sp-6);
  letter-spacing: -0.02em;
}
.page-hero__lead {
  font-size: var(--scale-lg);
  color: rgba(255,255,255,0.72);
  max-width: 620px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ---- Outline button on light backgrounds ---- */
.home-cta-strip .btn--outline {
  color: var(--navy-900);
  border-color: var(--neutral-200);
}
.home-cta-strip .btn--outline:hover,
.home-cta-strip .btn--outline:focus-visible {
  background: var(--neutral-100);
  border-color: var(--navy-900);
  color: var(--navy-900);
}

/* ---- Home CTA Strip ---- */
.home-cta-strip {
  padding-block: var(--sp-20);
  background: var(--neutral-50);
  border-top: 1px solid var(--neutral-200);
}
.home-cta-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  flex-wrap: wrap;
}
.home-cta-strip__inner h2 {
  font-family: var(--font-head);
  font-size: var(--scale-3xl);
  font-weight: 800;
  color: var(--navy-900);
}
.home-cta-strip__inner p {
  color: var(--neutral-500);
  margin-top: var(--sp-2);
}
.home-cta-strip__actions {
  display: flex;
  gap: var(--sp-4);
  flex-shrink: 0;
  flex-wrap: wrap;
}