/* ===================================================================
   FRANK AND FRANK SOLAR ENERGY — DESIGN SYSTEM
   Palette, type, and structural tokens per brand brief.
   =================================================================== */

:root {
  /* Brand palette, from client brief */
  --solar-green: #39B54A;
  --solar-green-dark: #2C9A3B;
  --forest: #0B3D2E;
  --forest-light: #124D3A;
  --energy-blue: #087E8B;
  --gold: #F4B942;
  --off-white: #F8FAF7;
  --white: #FFFFFF;
  --charcoal: #17211B;
  --charcoal-soft: #3D473F;
  --line: rgba(11, 61, 46, 0.12);

  /* Type */
  --font-head: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  --radius-s: 4px;
  --radius-m: 10px;
  --shadow-card: 0 12px 32px -16px rgba(11, 61, 46, 0.22);
}

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

html { scroll-behavior: smooth; }

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

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

:focus-visible {
  outline: 2px solid var(--energy-blue);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-3);
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--forest);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { max-width: 62ch; }

.eyebrow {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--solar-green-dark);
  margin-bottom: var(--space-1);
}

/* ============================= BUTTONS ============================= */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 1.8rem;
  border-radius: var(--radius-s);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.btn-primary {
  background: var(--solar-green);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--solar-green-dark);
  box-shadow: 0 10px 24px -8px rgba(57, 181, 74, 0.55);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--forest);
  border-color: var(--forest);
}
.btn-secondary:hover {
  background: var(--forest);
  color: var(--white);
}

.btn-ghost-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.55);
}
.btn-ghost-light:hover {
  background: var(--white);
  color: var(--forest);
}

/* ============================= QUOTE DROPDOWN ============================= */

.quote-dropdown {
  position: relative;
  display: inline-block;
}
.quote-dropdown-toggle {
  font-family: inherit;
}
.quote-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: var(--white);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  padding: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  z-index: 60;
}
.quote-dropdown.open .quote-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.quote-menu a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-s);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--charcoal);
  transition: background 0.15s ease;
}
.quote-menu a:hover { background: rgba(57,181,74,0.1); }
.quote-menu svg { flex-shrink: 0; }

/* ============================= HEADER ============================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand img { height: 44px; width: auto; }
.brand-name {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--forest);
  font-size: 1.05rem;
  line-height: 1.2;
}
.brand-name span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.72rem;
  color: var(--solar-green-dark);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-3);
}
.main-nav a:not(.btn) {
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--charcoal-soft);
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.main-nav a:not(.btn):hover {
  color: var(--forest);
  border-color: var(--solar-green);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--forest);
  margin: 6px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ============================= HERO ============================= */

.hero {
  background:
    radial-gradient(circle at 14% 18%, rgba(244,185,66,0.14) 0%, transparent 38%),
    radial-gradient(circle at 85% 8%, rgba(57,181,74,0.10) 0%, transparent 42%),
    var(--off-white);
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  top: -120px; left: -120px;
  width: 420px; height: 420px;
  background: repeating-conic-gradient(var(--gold) 0deg 4deg, transparent 4deg 18deg);
  opacity: 0.10;
  border-radius: 50%;
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-5);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
  position: relative;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-copy > * { animation: riseIn 0.7s ease both; }
.hero-copy h1 { animation-delay: 0.05s; }
.hero-copy .lede { animation-delay: 0.18s; }
.hero-copy .hero-actions { animation-delay: 0.3s; }
.hero-visual { animation: riseIn 0.8s ease 0.15s both; }

.hero-copy h1 { margin-bottom: var(--space-2); }
.hero-copy .lede {
  font-size: 1.15rem;
  color: var(--charcoal-soft);
  margin-bottom: var(--space-4);
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  clip-path: polygon(8% 0, 100% 4%, 100% 100%, 0% 96%);
  border-radius: var(--radius-m);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11,61,46,0.35) 0%, rgba(11,61,46,0) 45%);
}
.hero-badge {
  position: absolute;
  bottom: var(--space-3);
  left: var(--space-3);
  background: var(--white);
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-card);
  z-index: 2;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--forest);
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-badge .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--solar-green);
  flex-shrink: 0;
}

/* Panel-row divider motif, echoes solar panel rows / roof pitch */
.panel-divider {
  height: 14px;
  background: repeating-linear-gradient(
    100deg,
    var(--solar-green) 0px, var(--solar-green) 46px,
    var(--forest) 46px, var(--forest) 48px,
    transparent 48px, transparent 94px
  );
  opacity: 0.9;
}

/* ============================= INTRO / ABOUT TEASER ============================= */

.intro {
  padding: var(--space-6) 0;
}
.intro .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-5);
  align-items: start;
}
.intro-lead p { color: var(--charcoal-soft); margin-top: var(--space-2); }
.intro-points {
  list-style: none;
  display: grid;
  gap: var(--space-3);
}
.intro-points li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-3);
  background: var(--white);
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}
.intro-points .mark {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(57,181,74,0.14);
  color: var(--solar-green-dark);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
}
.intro-points h4 { font-size: 1.02rem; margin-bottom: 0.2rem; }
.intro-points p { font-size: 0.94rem; color: var(--charcoal-soft); margin: 0; }

/* ============================= SERVICES ============================= */

.services {
  background: var(--forest);
  padding: var(--space-6) 0;
  color: var(--white);
}
.services h2, .services .eyebrow { color: var(--white); }
.services .eyebrow { color: #8FE39E; }
.section-head {
  max-width: 60ch;
  margin-bottom: var(--space-5);
}
.section-head p { color: rgba(255,255,255,0.78); margin-top: var(--space-1); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.service-card {
  background: var(--forest-light);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-m);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--solar-green);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-s);
  background: rgba(57,181,74,0.18);
  display: flex; align-items: center; justify-content: center;
}
.service-card h3 { color: var(--white); }
.service-card p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }
.wa-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--forest);
  background: var(--solar-green);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.wa-cta svg { flex-shrink: 0; }
.wa-cta:hover {
  background: #2C9A3B;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px -6px rgba(57,181,74,0.6);
}
.service-card .wa-cta {
  background: rgba(57,181,74,0.18);
  color: #8FE39E;
}
.service-card .wa-cta:hover {
  background: var(--solar-green);
  color: var(--forest);
}

.service-card-photo {
  position: relative;
  padding: 0;
  min-height: 340px;
  overflow: hidden;
  justify-content: flex-end;
}
.service-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.service-card-overlay {
  position: relative;
  z-index: 2;
  padding: var(--space-4);
  background: linear-gradient(0deg, rgba(11,61,46,0.96) 15%, rgba(11,61,46,0.55) 65%, rgba(11,61,46,0.05) 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ============================= PRODUCTS PREVIEW ============================= */

.products-preview { padding: var(--space-6) 0; }
.product-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}
.product-card .img-wrap { overflow: hidden; }
.product-card img {
  width: 100%; height: 100%; object-fit: cover;
  min-height: 220px;
  transition: transform 0.4s ease;
}
.product-card:hover img { transform: scale(1.05); }
.product-card-body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.product-card-body h3 { font-size: 1.15rem; }
.product-card-body p { font-size: 0.93rem; color: var(--charcoal-soft); }
.tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--energy-blue);
  background: rgba(8,126,139,0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
}
.product-card-body .wa-cta {
  background: rgba(57,181,74,0.14);
  color: var(--solar-green-dark);
}
.product-card-body .wa-cta:hover {
  background: var(--solar-green);
  color: var(--white);
}
.included-note {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--charcoal-soft);
}
.included-note svg { color: var(--solar-green-dark); flex-shrink: 0; }

/* ============================= PROJECTS / GALLERY ============================= */

.projects { padding: var(--space-6) 0; background: var(--white); }
.project-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 160px;
  gap: var(--space-2);
}
.project-masonry a {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  display: block;
}
.project-masonry img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.project-masonry a:hover img { transform: scale(1.08); }
.project-masonry .cap {
  position: absolute; inset: auto 0 0 0;
  background: linear-gradient(0deg, rgba(11,61,46,0.88), transparent);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 1.6rem 0.9rem 0.7rem;
  opacity: 1;
  transform: translateY(0);
  transition: transform 0.25s ease;
}
.pm-tall { grid-row: span 2; }
.pm-wide { grid-column: span 2; }

/* ============================= CTA BAND ============================= */

.cta-band {
  background: var(--solar-green);
  padding: var(--space-5) 0;
}
.cta-band .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin: 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.cta-band p { color: rgba(11,61,46,0.85); margin: 0.3rem 0 0; font-weight: 600; }

/* ============================= FOOTER ============================= */

.site-footer {
  background: var(--charcoal);
  color: rgba(248,250,247,0.75);
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 42px; margin-bottom: var(--space-2); }
.footer-brand p { font-size: 0.92rem; }
.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: var(--space-2);
}
.footer-col ul { list-style: none; display: grid; gap: 0.6rem; }
.footer-col a { font-size: 0.92rem; }
.footer-col a:hover { color: var(--solar-green); }

.contact-list { gap: 0.7rem; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(57,181,74,0.12);
  color: rgba(248,250,247,0.92);
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.15s ease, transform 0.15s ease;
  width: fit-content;
}
.contact-item:hover {
  background: var(--solar-green);
  color: var(--forest);
  transform: translateX(3px);
}
.contact-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
}
.contact-item:hover .contact-icon { background: rgba(11,61,46,0.18); }
.contact-item-address {
  border-radius: var(--radius-m);
  align-items: flex-start;
  white-space: normal;
  line-height: 1.4;
}
.contact-item-address .contact-icon { margin-top: 0.1rem; }
.footer-bottom {
  padding-top: var(--space-3);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
}

/* ============================= WHATSAPP FLOAT ============================= */

.wa-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 200;
  background: var(--solar-green);
  color: var(--white);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px -8px rgba(57,181,74,0.6);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }

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

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { order: -1; aspect-ratio: 16/10; }
  .intro .container { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .product-strip { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .project-masonry { grid-template-columns: repeat(2, 1fr); }
  .pm-wide { grid-column: span 2; }
}

@media (max-width: 720px) {
  .main-nav ul, .main-nav .quote-dropdown { display: none; }
  .main-nav.open {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    padding: var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }
  .main-nav.open ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
  }
  .main-nav.open .quote-dropdown { display: block; }
  .main-nav.open .quote-dropdown-toggle { width: 100%; justify-content: center; }
  .main-nav.open .quote-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 1px solid var(--line);
    margin-top: 0.6rem;
    display: none;
  }
  .main-nav.open .quote-dropdown.open .quote-menu { display: block; }
  .nav-toggle { display: block; }
  .service-grid { grid-template-columns: 1fr; }
  .product-card { grid-template-columns: 1fr; }
  .product-card img { min-height: 200px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .project-masonry { grid-template-columns: 1fr 1fr; grid-auto-rows: 130px; }
}