/* =====================================================================
   T&A Construction Services — Stylesheet
   Handcrafted for AYEYE Creative Agency
   ===================================================================== */

/* ----- Design Tokens ----- */
:root {
  --ice-white:   #F4FEFF;
  --powder-blue: #A9C0E0;
  --royal-blue:  #0E2F76;
  --azure:       #0080FF;
  --dark-ink:    #0D1B2A;
  --white:       #FFFFFF;
  --border-light:#E0EAF5;

  --font-display: 'Anton', sans-serif;
  --font-body:    'Sora', sans-serif;

  --shadow-card:   0 4px 24px rgba(14, 47, 118, 0.08);
  --shadow-button: 0 4px 16px rgba(0, 128, 255, 0.20);
  --shadow-permit: 0 8px 40px rgba(14, 47, 118, 0.14);
  --shadow-hero:   0 8px 40px rgba(14, 47, 118, 0.12);
  --shadow-nav:    0 2px 20px rgba(14, 47, 118, 0.10);

  --radius-btn:   6px;
  --radius-card:  12px;
  --radius-img:   8px;
  --radius-tag:   100px;
  --radius-permit:8px;

  --section-pad: 96px 0;
}

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

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

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--dark-ink);
  background-color: var(--ice-white);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ----- Layout ----- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  scroll-margin-top: 80px;
}

/* ----- Section heading block ----- */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.eyebrow {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--azure);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--royal-blue);
}

.section-sub {
  font-weight: 400;
  font-size: 16px;
  color: var(--dark-ink);
  margin-top: 20px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  padding: 16px 32px;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s ease, color 0.2s ease,
              border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.btn-sm {
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
}

.btn-primary {
  background-color: var(--royal-blue);
  color: var(--white);
  box-shadow: var(--shadow-button);
}
.btn-primary:hover {
  background-color: var(--azure);
  color: var(--white);
  transform: translateY(-1px);
}

.btn-ghost {
  background-color: transparent;
  color: var(--royal-blue);
  border-color: var(--royal-blue);
}
.btn-ghost:hover {
  background-color: var(--royal-blue);
  color: var(--white);
}

/* =====================================================================
   NAVIGATION
   ===================================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background-color: var(--white);
  border-bottom: 1px solid var(--border-light);
  transition: box-shadow 0.25s ease;
}

.nav.scrolled {
  box-shadow: var(--shadow-nav);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--royal-blue);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.nav-links a:not(.btn) {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--dark-ink);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background-color: var(--azure);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:not(.btn):hover {
  color: var(--azure);
}
.nav-links a:not(.btn):hover::after {
  transform: scaleX(1);
}

.nav-cta {
  margin-left: 8px;
}

.nav-cta-mobile {
  display: none;
}

/* Hamburger (hidden on desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0 8px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--royal-blue);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-open .hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-open .hamburger span:nth-child(2) {
  opacity: 0;
}
.menu-open .hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* =====================================================================
   HERO
   ===================================================================== */
.hero {
  background-color: var(--ice-white);
  min-height: calc(100vh - 72px);
  padding-top: calc(72px + 64px);
  padding-bottom: 96px;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 58% 42%;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 96px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--royal-blue);
  margin: 24px 0 0;
}

.hero-title span {
  color: var(--azure);
}

.hero-sub {
  font-weight: 400;
  font-size: 18px;
  line-height: 1.7;
  color: var(--dark-ink);
  max-width: 480px;
  margin-top: 24px;
}

/* Area tags */
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.tag {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--royal-blue);
  background-color: var(--powder-blue);
  padding: 6px 14px;
  border-radius: var(--radius-tag);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

/* Hero visual + permit card */
.hero-visual {
  position: relative;
}

.hero-img-frame {
  position: relative;
  width: 100%;
}

.hero-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-hero);
}

.hero-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Placeholder styling (used while client photos are pending) */
.placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(135deg, #B7CDE8 0%, var(--powder-blue) 100%);
  border: 1px dashed rgba(14, 47, 118, 0.25);
  text-align: center;
  color: var(--royal-blue);
}

.placeholder .ph-label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.placeholder .ph-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* Permit card — signature element */
.permit-card {
  position: absolute;
  bottom: -24px;
  left: -24px;
  z-index: 5;
  width: 240px;
  padding: 24px 28px;
  background: var(--white);
  border: 2px solid var(--royal-blue);
  border-radius: var(--radius-permit);
  box-shadow: var(--shadow-permit);
  transform: rotate(-2deg);
}

.permit-top {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--azure);
}

.permit-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.3;
  text-transform: uppercase;
  color: var(--royal-blue);
  margin-top: 6px;
}

.permit-divider {
  height: 1px;
  background: var(--border-light);
  margin: 12px 0;
}

.permit-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.permit-row + .permit-row {
  margin-top: 12px;
}

.permit-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888888;
}

.permit-value {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  color: var(--royal-blue);
}

.permit-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--dark-ink);
}

.permit-phone {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  color: var(--royal-blue);
}


/* =====================================================================
   SERVICES
   ===================================================================== */
.services {
  background-color: var(--powder-blue);
  padding: var(--section-pad);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-card);
  border-top: 4px solid var(--royal-blue);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(14, 47, 118, 0.14);
}

.service-name {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.3;
  color: var(--royal-blue);
  margin-bottom: 8px;
}

.service-desc {
  font-weight: 400;
  font-size: 13px;
  line-height: 1.5;
  color: var(--dark-ink);
}

/* =====================================================================
   OUR WORK
   ===================================================================== */
.work {
  background-color: var(--ice-white);
  padding: var(--section-pad);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  overflow: hidden;
}

.work-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-img);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.work-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-grid:hover .work-img {
  transform: scale(1.03);
}

.work-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  margin-top: 56px;
}

.work-cta-text {
  font-weight: 400;
  font-size: 17px;
  color: var(--dark-ink);
  max-width: 440px;
}


/* =====================================================================
   HOW IT WORKS
   ===================================================================== */
.process {
  background-color: var(--powder-blue);
  padding: var(--section-pad);
}

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

/* Connector line between steps (desktop only) */
.steps::before {
  content: "";
  position: absolute;
  top: 40%;
  left: 12%;
  right: 12%;
  height: 1px;
  background-color: var(--royal-blue);
  opacity: 0.4;
  z-index: 0;
}

.step-card {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  z-index: 1;
}

.step-num {
  position: absolute;
  top: -6px;
  left: 12px;
  z-index: 0;
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1;
  color: var(--royal-blue);
  opacity: 0.15;
  user-select: none;
  pointer-events: none;
}

.step-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(0, 128, 255, 0.08);
  color: var(--azure);
  margin-bottom: 20px;
}

.step-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  color: var(--royal-blue);
  margin-bottom: 12px;
}

.step-body {
  font-weight: 400;
  font-size: 15px;
  line-height: 1.7;
  color: var(--dark-ink);
}

/* =====================================================================
   FINAL CTA
   ===================================================================== */
.cta {
  background-color: var(--royal-blue);
  padding: var(--section-pad);
}

.cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow-light {
  color: var(--azure);
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--white);
}

.cta-body {
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.80);
  margin-top: 24px;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 40px;
}

.cta-btn {
  display: block;
  width: 100%;
  max-width: 320px;
  padding: 14px 20px;
  box-sizing: border-box;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
}

.btn-white {
  background-color: var(--white);
  color: var(--royal-blue);
}
.btn-white:hover {
  background-color: var(--azure);
  color: var(--white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
  font-weight: 600;
}
.btn-outline-white:hover {
  background-color: var(--white);
  color: var(--royal-blue);
}

/* =====================================================================
   FOOTER
   ===================================================================== */
.footer {
  background-color: var(--dark-ink);
  color: rgba(255, 255, 255, 0.60);
  padding: 40px 0;
}

.footer-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-name {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--white);
}

.footer-loc {
  font-weight: 400;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.50);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-weight: 400;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.60);
  transition: color 0.2s ease;
}
.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  font-weight: 400;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.40);
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  margin-top: 24px;
  padding-top: 24px;
}


/* =====================================================================
   STICKY WHATSAPP FAB
   ===================================================================== */
.whatsapp-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.40);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
}

.pulse-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--royal-blue);
  opacity: 0.3;
  z-index: -1;
  animation: pulse 2.5s ease-out infinite;
}

@keyframes pulse {
  0%   { transform: scale(1);   opacity: 0.3; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* =====================================================================
   SCROLL-IN ANIMATIONS
   ===================================================================== */
.animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .animate {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .pulse-ring {
    animation: none;
  }
}

/* =====================================================================
   RESPONSIVE — Tablet (768px–1024px)
   ===================================================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

/* =====================================================================
   RESPONSIVE — Mobile (< 768px)
   ===================================================================== */
@media (max-width: 767px) {
  .nav {
    height: 64px;
  }

  .brand {
    font-size: 17px;
  }

  /* Hamburger + mobile menu */
  .hamburger {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 999;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-nav);
    padding: 8px 24px 24px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    margin: 0;
    transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.25s ease;
  }

  .menu-open .nav-links {
    max-height: 480px;
    opacity: 1;
  }

  .nav-links li {
    border-bottom: 1px solid var(--border-light);
  }
  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a:not(.btn) {
    display: block;
    padding: 16px 0;
    font-size: 16px;
  }
  .nav-links a:not(.btn)::after {
    display: none;
  }

  .nav-cta-mobile {
    display: block;
    padding-top: 16px;
  }
  .nav-cta-mobile .btn {
    width: 100%;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: calc(64px + 48px);
    padding-bottom: 64px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn {
    width: 100%;
  }

  .hero-visual {
    margin-top: 8px;
  }

  .permit-card {
    width: 200px;
    padding: 20px 22px;
    bottom: -16px;
    left: -8px;
    transform: rotate(-2deg);
  }

  /* Sections */
  .services,
  .work,
  .process,
  .cta {
    padding: 64px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  /* Work grid */
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Steps */
  .steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .steps::before {
    display: none;
  }

  /* CTA buttons */
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-buttons .btn {
    width: 100%;
  }

  /* FAB */
  .whatsapp-fab {
    width: 48px;
    height: 48px;
    bottom: 20px;
    right: 20px;
  }
}

/* =====================================================================
   RESPONSIVE — Small mobile (< 420px)
   ===================================================================== */
@media (max-width: 420px) {
  .work-grid {
    grid-template-columns: 1fr;
  }
}