/* ============================================================
   InstaPrice.ai — Main Stylesheet
   Design reference: Stratus (clean SaaS landing page)
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Variables
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --color-primary:       #F5C518;
  --color-primary-dark:  #D4A910;
  --color-primary-light: rgba(245, 197, 24, 0.12);
  --color-black:         #1A1A1A;
  --color-white:         #FFFFFF;
  --color-bg-alt:        #F5F5F5;
  --color-text:          #666666;
  --color-text-light:    #999999;
  --color-border:        #E5E5E5;
  --color-footer:        #1A1A1A;
  --color-footer-text:   #AAAAAA;

  /* Typography */
  --font-family:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs:        0.75rem;    /* 12px */
  --font-size-sm:        0.875rem;   /* 14px */
  --font-size-base:      1rem;       /* 16px */
  --font-size-md:        1.125rem;   /* 18px */
  --font-size-lg:        1.25rem;    /* 20px */
  --font-size-xl:        1.5rem;     /* 24px */
  --font-size-2xl:       2rem;       /* 32px */
  --font-size-3xl:       2.5rem;     /* 40px */
  --font-size-4xl:       3.25rem;    /* 52px */
  --line-height-tight:   1.2;
  --line-height-base:    1.6;
  --line-height-loose:   1.8;
  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semi:    600;
  --font-weight-bold:    700;

  /* Spacing */
  --space-xs:   0.25rem;   /* 4px  */
  --space-sm:   0.5rem;    /* 8px  */
  --space-md:   1rem;      /* 16px */
  --space-lg:   1.5rem;    /* 24px */
  --space-xl:   2rem;      /* 32px */
  --space-2xl:  3rem;      /* 48px */
  --space-3xl:  4rem;      /* 64px */
  --space-4xl:  5rem;      /* 80px */

  /* Layout */
  --max-width:       1200px;
  --max-width-narrow: 800px;
  --section-padding:  5rem;        /* 80px */
  --header-height:    80px;

  /* Effects */
  --transition:       0.3s ease;
  --transition-fast:  0.15s ease;
  --shadow-sm:        0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md:        0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg:        0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-card:      0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
  --radius-sm:        6px;
  --radius-md:        10px;
  --radius-lg:        16px;
  --radius-full:      50%;
}


/* ------------------------------------------------------------
   2. Reset & Base
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-black);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl);  }
h4 { font-size: var(--font-size-lg);  }

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}


/* ------------------------------------------------------------
   3. Layout
   ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding-top: var(--section-padding);
  padding-bottom: var(--section-padding);
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* Grid: 2 columns */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

/* Grid: 3 columns */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

/* Grid: 2x3 services grid (3 columns, wraps to 2 rows for 6 items) */
.grid-2x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}


/* ------------------------------------------------------------
   4. Header & Navigation
   ------------------------------------------------------------ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition),
              box-shadow var(--transition);
}

.header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Logo */
.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header__logo img {
  height: 36px;
  width: auto;
}

.header__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
}

.header__logo-text span {
  color: var(--color-primary);
}

/* Desktop Navigation — centered */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-black);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Header right: lang switcher + CTA */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

/* Hamburger (mobile only) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1010;
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-black);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* Hamburger open state */
.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-white);
  z-index: 1005;
  padding-top: calc(var(--header-height) + var(--space-xl));
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu .nav__link {
  font-size: var(--font-size-lg);
}


/* ------------------------------------------------------------
   5. Hero Section
   ------------------------------------------------------------ */
.hero {
  padding-top: calc(var(--header-height) + var(--space-4xl));
  padding-bottom: var(--section-padding);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero__content {
  max-width: 720px;
}

.hero__heading {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-lg);
  color: var(--color-black);
}

.hero__heading .highlight {
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--font-size-md);
  line-height: var(--line-height-loose);
  color: var(--color-text);
  margin-bottom: var(--space-2xl);
  max-width: 560px;
}

.hero__buttons {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

/* Stat counters row */
.hero__stats {
  display: flex;
  gap: var(--space-3xl);
}

.hero__stat {
  text-align: left;
}

.hero__stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-value .accent {
  color: var(--color-primary);
}

.hero__stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}


/* ------------------------------------------------------------
   6. Badge
   ------------------------------------------------------------ */
.badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-primary);
  margin-bottom: var(--space-lg);
}


/* ------------------------------------------------------------
   7. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-black);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(245, 197, 24, 0.3);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-black);
  transform: translateY(-1px);
}

/* Dark section button variants */
.section--dark .btn-secondary {
  color: var(--color-white);
  border-color: var(--color-white);
}

.section--dark .btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

/* Small button variant */
.btn--sm {
  font-size: var(--font-size-xs);
  padding: 0.6rem 1.25rem;
}

/* Large button variant */
.btn--lg {
  font-size: var(--font-size-base);
  padding: 1rem 2.25rem;
}


/* ------------------------------------------------------------
   8. Cards
   ------------------------------------------------------------ */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  transition: transform var(--transition),
              box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}

/* "Why now?" numbered card variant */
.card--numbered {
  position: relative;
  padding-left: calc(var(--space-2xl) + 24px);
}

.card--numbered::before {
  content: attr(data-number);
  position: absolute;
  top: var(--space-2xl);
  left: var(--space-2xl);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
}


/* ------------------------------------------------------------
   9. Services Grid
   ------------------------------------------------------------ */
.services {
  /* Inherits .section styles */
}

.services__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.services__header h2 {
  margin-bottom: var(--space-md);
}

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

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: left;
  transition: transform var(--transition),
              box-shadow var(--transition),
              border-color var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.service-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}


/* ------------------------------------------------------------
   10. Process Steps
   ------------------------------------------------------------ */
.process {
  /* Inherits .section styles */
}

.process__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.process__header h2 {
  margin-bottom: var(--space-md);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

/* Connecting line between steps */
.process__steps::before {
  content: '';
  position: absolute;
  top: 28px; /* vertically centered on the step number circle */
  left: calc(12.5% + 28px); /* start after first circle */
  right: calc(12.5% + 28px); /* end before last circle */
  height: 2px;
  background-color: var(--color-border);
  z-index: 0;
}

.process__step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.process__step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-black);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-lg);
  position: relative;
}

.process__step-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.process__step-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}


/* ------------------------------------------------------------
   11. Team Section
   ------------------------------------------------------------ */
.team {
  /* Inherits .section styles */
}

.team__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.team__header h2 {
  margin-bottom: var(--space-md);
}

/* Team cards — 2x2 grid with 140px circular photo + text (instaskills pattern) */
.team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3xl);
  max-width: 900px;
  margin: 0 auto;
}

.team-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-xl);
  align-items: start;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.team-card__photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--color-bg-alt);
  flex-shrink: 0;
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
  margin-bottom: var(--space-md);
  letter-spacing: 0.03em;
}

.team-card__bio {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}

@media (max-width: 768px) {
  .team__grid {
    grid-template-columns: 1fr;
  }
  .team-card {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }
  .team-card__photo {
    margin: 0 auto;
  }
}


/* ------------------------------------------------------------
   12. FAQ Accordion
   ------------------------------------------------------------ */
.faq {
  /* Inherits .section styles */
}

.faq__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.faq__header h2 {
  margin-bottom: var(--space-md);
}

.faq__list {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: color var(--transition);
}

.faq-item__question:hover {
  color: var(--color-primary);
}

/* Chevron icon */
.faq-item__chevron {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: var(--space-md);
  transition: transform var(--transition);
  position: relative;
}

.faq-item__chevron::before,
.faq-item__chevron::after {
  content: '';
  position: absolute;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition), background-color var(--transition);
}

/* Horizontal bar */
.faq-item__chevron::before {
  width: 14px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Vertical bar (becomes + / - toggle) */
.faq-item__chevron::after {
  width: 2px;
  height: 14px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Active: rotate vertical bar to 0 (forms a -) */
.faq-item.active .faq-item__chevron::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item.active .faq-item__question {
  color: var(--color-primary);
}

/* Answer (hidden by default, revealed via max-height) */
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding var(--transition);
}

.faq-item.active .faq-item__answer {
  max-height: 500px; /* generous max — actual height will be smaller */
}

.faq-item__answer-inner {
  padding-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-loose);
}


/* ------------------------------------------------------------
   13. Testimonial / Case Studies
   ------------------------------------------------------------ */
.testimonials {
  /* Inherits .section styles */
}

.testimonials__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.testimonials__header h2 {
  margin-bottom: var(--space-md);
}

.testimonial {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  position: relative;
}

.testimonial__quote {
  font-size: var(--font-size-md);
  font-style: italic;
  color: var(--color-black);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-lg);
  position: relative;
  padding-left: var(--space-xl);
}

.testimonial__quote::before {
  content: '\201C'; /* left double quotation mark */
  position: absolute;
  left: 0;
  top: -4px;
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  font-style: normal;
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial__author-photo {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.testimonial__author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial__author-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
}

.testimonial__author-role {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

/* Case study card */
.case-study {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.case-study:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.case-study__image {
  width: 100%;
  height: 200px;
  background-color: var(--color-bg-alt);
  overflow: hidden;
}

.case-study__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-study__body {
  padding: var(--space-xl);
}

.case-study__tag {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}

.case-study__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.case-study__text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}


/* ------------------------------------------------------------
   14. CTA Banner
   ------------------------------------------------------------ */
.cta-banner {
  background-color: var(--color-black);
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-banner__content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.cta-banner__heading {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-banner__heading .highlight {
  color: var(--color-primary);
}

.cta-banner__text {
  font-size: var(--font-size-md);
  color: var(--color-footer-text);
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-loose);
}

.cta-banner__buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}


/* ------------------------------------------------------------
   15. Contact Form
   ------------------------------------------------------------ */
.contact {
  /* Inherits .section styles */
}

.contact__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.contact__header h2 {
  margin-bottom: var(--space-md);
}

.contact-form {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  position: relative;
}

.contact-form__row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.contact-form__group {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-lg);
}

.contact-form__group--full {
  grid-column: 1 / -1;
}

.contact-form__label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.contact-form__label .required {
  color: #E53E3E;
}

.contact-form__input,
.contact-form__select,
.contact-form__textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: var(--font-size-sm);
  color: var(--color-black);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition),
              box-shadow var(--transition);
  outline: none;
}

.contact-form__input:focus,
.contact-form__select:focus,
.contact-form__textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 197, 24, 0.15);
}

.contact-form__input::placeholder,
.contact-form__textarea::placeholder {
  color: var(--color-text-light);
}

.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 140px;
}

/* Checkbox */
.contact-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  cursor: pointer;
}

.contact-form__checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.contact-form__checkbox-label {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-base);
}

.contact-form__checkbox-label a {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.contact-form__checkbox-label a:hover {
  color: var(--color-primary);
}

/* Submit button */
.contact-form__submit {
  width: 100%;
}

/* Success message overlay */
.contact-form__success {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  text-align: center;
  padding: var(--space-2xl);
}

.contact-form__success.active {
  opacity: 1;
  pointer-events: auto;
}

.contact-form__success-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
}

.contact-form__success-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semi);
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.contact-form__success-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
}


/* ------------------------------------------------------------
   16. Footer
   ------------------------------------------------------------ */
.footer {
  background-color: var(--color-footer);
  color: var(--color-footer-text);
  padding-top: var(--space-4xl);
  padding-bottom: 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer logo column */
.footer__brand {
  /* First column: logo + tagline */
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__logo img {
  height: 32px;
  width: auto;
}

.footer__logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
}

.footer__logo-text span {
  color: var(--color-primary);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-footer-text);
  line-height: var(--line-height-loose);
  max-width: 280px;
}

/* Footer nav columns */
.footer__nav-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semi);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__nav-link {
  font-size: var(--font-size-sm);
  color: var(--color-footer-text);
  transition: color var(--transition);
}

.footer__nav-link:hover {
  color: var(--color-primary);
}

/* Footer contact info */
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
}

.footer__contact-icon {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

/* Copyright bar */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  transition: color var(--transition);
}

.footer__bottom-links a:hover {
  color: var(--color-primary);
}


/* ------------------------------------------------------------
   17. Language Switcher
   ------------------------------------------------------------ */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 2px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.lang-switcher__btn {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  padding: 0.35rem 0.65rem;
  border-radius: calc(var(--radius-sm) - 2px);
  transition: all var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.lang-switcher__btn:hover {
  color: var(--color-black);
}

.lang-switcher__btn.active {
  background-color: var(--color-white);
  color: var(--color-black);
  font-weight: var(--font-weight-semi);
  box-shadow: var(--shadow-sm);
}


/* ------------------------------------------------------------
   18. Utilities
   ------------------------------------------------------------ */
.text-center {
  text-align: center;
}

.text-gold {
  color: var(--color-primary);
}

/* Screen-reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

/* Fade-in animation for scroll reveal (JS adds .visible) */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays for child elements */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* Section heading common pattern */
.section__header {
  text-align: center;
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-3xl);
}

.section__header h2 {
  margin-bottom: var(--space-md);
}

.section__header p {
  font-size: var(--font-size-md);
  color: var(--color-text);
}


/* ------------------------------------------------------------
   19. Responsive — Tablet (max-width: 1024px)
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  :root {
    --font-size-4xl: 2.75rem;
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
    --section-padding: 4rem;
  }

  .grid-2 {
    gap: var(--space-lg);
  }

  .grid-3,
  .grid-2x3,
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  /* Hide connecting line on tablet */
  .process__steps::before {
    display: none;
  }

  .team__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .hero__stats {
    gap: var(--space-2xl);
  }
}


/* ------------------------------------------------------------
   19b. Responsive — Mobile (max-width: 768px)
   ------------------------------------------------------------ */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --font-size-xl:  1.25rem;
    --section-padding: 3rem;
    --header-height: 64px;
  }

  /* Header: show hamburger, hide desktop nav */
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .header__actions .btn {
    display: none; /* hide CTA in header on mobile */
  }

  .header__actions .lang-switcher {
    /* keep language switcher visible on mobile */
  }

  /* Hero adjustments */
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-3xl);
  }

  .hero__heading {
    font-size: var(--font-size-3xl);
  }

  .hero__buttons {
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
  }

  .hero__buttons .btn {
    width: 100%;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  /* Stack all grids to single column */
  .grid-2,
  .grid-3,
  .grid-2x3,
  .services__grid,
  .process__steps,
  .team__grid {
    grid-template-columns: 1fr;
  }

  /* Process steps: vertical layout */
  .process__steps::before {
    display: none;
  }

  /* Contact form */
  .contact-form__row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .footer__bottom-links {
    justify-content: center;
  }

  /* CTA banner */
  .cta-banner__heading {
    font-size: var(--font-size-2xl);
  }

  .cta-banner__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-banner__buttons .btn {
    width: 100%;
    max-width: 320px;
  }

  /* Testimonial grid single column */
  .testimonials .grid-2,
  .testimonials .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Contact form — dark section, 2-col layout (instaskills pattern)
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact__text h2 {
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.contact__direct {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.contact__direct-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact__direct-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.contact__direct-value {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  font-weight: var(--font-weight-semi);
}

.contact__direct-link:hover .contact__direct-value {
  color: var(--color-primary-dark);
}

/* Form container — scoped to dark section so it does not collide
   with the older .contact-form block still used elsewhere */
.section--dark .contact-form {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.section--dark .contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.section--dark .contact-form__field > .contact-form__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semi);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.section--dark .contact-form input[type="text"],
.section--dark .contact-form input[type="email"],
.section--dark .contact-form input[type="tel"],
.section--dark .contact-form input[type="url"],
.section--dark .contact-form select,
.section--dark .contact-form textarea {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--color-white);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition), background-color var(--transition);
}

.section--dark .contact-form input:focus,
.section--dark .contact-form select:focus,
.section--dark .contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.08);
}

.section--dark .contact-form textarea {
  resize: vertical;
  min-height: 120px;
  line-height: var(--line-height-base);
}

.section--dark .contact-form input.error,
.section--dark .contact-form select.error,
.section--dark .contact-form textarea.error {
  border-color: #E03A3A;
  background-color: rgba(224, 58, 58, 0.08);
}

.contact-form__consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-base);
  cursor: pointer;
}

.contact-form__consent input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

.contact-form__consent.error span {
  color: #FF6B6B;
}

.section--dark .contact-form__submit {
  align-self: flex-start;
  margin-top: var(--space-sm);
}

.section--dark .contact-form__submit[disabled] {
  opacity: 0.6;
  cursor: wait;
}

.contact-form__status {
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-base);
}

.contact-form__status--success {
  background-color: rgba(73, 166, 95, 0.15);
  border: 1px solid rgba(73, 166, 95, 0.4);
  color: #8FE0A8;
}

.contact-form__status--error {
  background-color: rgba(224, 58, 58, 0.15);
  border: 1px solid rgba(224, 58, 58, 0.4);
  color: #FF9A9A;
}

@media (max-width: 1024px) {
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 640px) {
  .section--dark .contact-form__row {
    grid-template-columns: 1fr;
  }
  .section--dark .contact-form {
    padding: var(--space-xl);
  }
}