/* ===================================
   CIMA Consultores - Main Stylesheet
   Marca: ingeniería técnica · sobria · moderna
   =================================== */

:root {
    /* Brand Colors — alineado con Identidad_marca.md */
    --green-900: #1A2E1A;
    --green-800: #2F3E2F;
    --green-700: #3D5640;
    --green-600: #4F6B4F;
    --green-500: #5E7F5E;
    --green-400: #7A9E7A;
    --green-300: #8FAF8F;
    --green-200: #B5CDB5;
    --green-100: #D5E8D5;
    --green-50:  #EAF3EA;

    /* Neutrales */
    --gray-900: #1A1A2E;
    --gray-800: #2D2D3F;
    --gray-700: #444455;
    --gray-600: #5C5C6E;
    --gray-500: #7A7A8A;
    --gray-400: #9E9EAE;
    --gray-300: #C2C2CF;
    --gray-200: #E2E2EA;
    --gray-100: #F0F0F5;
    --gray-50:  #F8F8FA;
    --white:    #FFFFFF;

    /* Acento técnico */
    --blue-steel: #3A4F63;

    /* Tokens semánticos (light) */
    --bg-page:        #FFFFFF;
    --bg-elevated:    #FFFFFF;
    --bg-subtle:      var(--gray-50);
    --bg-section-alt: var(--green-50);
    --bg-tag:         var(--green-50);
    --text-strong:    var(--gray-900);
    --text-base:      var(--gray-700);
    --text-soft:      var(--gray-600);
    --text-muted:     var(--gray-500);
    --border-subtle:  var(--gray-200);
    --border-soft:    rgba(107, 143, 110, 0.15);
    --header-bg:      rgba(255, 255, 255, 0.92);
    --header-bg-scrolled: rgba(255, 255, 255, 0.97);
    --header-border:  rgba(65, 93, 67, 0.06);
    --shadow-soft:   0 4px 24px rgba(30, 46, 31, 0.06);
    --shadow-medium: 0 8px 32px rgba(30, 46, 31, 0.10);
    --shadow-strong: 0 16px 48px rgba(30, 46, 31, 0.14);
    --accent:        var(--green-600);
    --accent-strong: var(--green-700);
    --accent-soft:   var(--green-50);

    /* Tipografía — alineado con Identidad_marca.md */
    --font-heading: 'Montserrat', sans-serif;
    --font-body:    'Open Sans', sans-serif;

    /* Spacing & geometry */
    --container-max: 1200px;
    --section-py: clamp(70px, 9vw, 130px);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Movimiento */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s var(--ease);
    --transition: 0.3s var(--ease);
    --transition-slow: 0.6s var(--ease);

    color-scheme: light;
}

/* ===== DARK MODE TOKENS ===== */
:root[data-theme='dark'] {
    --bg-page:        #0E1810;
    --bg-elevated:    #14211A;
    --bg-subtle:      #18261D;
    --bg-section-alt: #14211A;
    --bg-tag:         rgba(107, 143, 110, 0.18);
    --text-strong:    #F0F4F0;
    --text-base:      #C9D2C9;
    --text-soft:      #A6B0A6;
    --text-muted:     #8A938A;
    --border-subtle:  rgba(255, 255, 255, 0.08);
    --border-soft:    rgba(143, 175, 143, 0.18);
    --header-bg:      rgba(14, 24, 16, 0.85);
    --header-bg-scrolled: rgba(14, 24, 16, 0.95);
    --header-border:  rgba(143, 175, 143, 0.12);
    --shadow-soft:    0 4px 24px rgba(0, 0, 0, 0.35);
    --shadow-medium:  0 8px 32px rgba(0, 0, 0, 0.45);
    --shadow-strong:  0 16px 48px rgba(0, 0, 0, 0.55);
    --accent:         var(--green-300);
    --accent-strong:  var(--green-200);
    --accent-soft:    rgba(143, 175, 143, 0.14);

    color-scheme: dark;
}

/* Modo noche automático cuando no se ha elegido manualmente */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']):not([data-theme='dark']) {
        --bg-page:        #0E1810;
        --bg-elevated:    #14211A;
        --bg-subtle:      #18261D;
        --bg-section-alt: #14211A;
        --bg-tag:         rgba(107, 143, 110, 0.18);
        --text-strong:    #F0F4F0;
        --text-base:      #C9D2C9;
        --text-soft:      #A6B0A6;
        --text-muted:     #8A938A;
        --border-subtle:  rgba(255, 255, 255, 0.08);
        --border-soft:    rgba(143, 175, 143, 0.18);
        --header-bg:      rgba(14, 24, 16, 0.85);
        --header-bg-scrolled: rgba(14, 24, 16, 0.95);
        --header-border:  rgba(143, 175, 143, 0.12);
        --shadow-soft:    0 4px 24px rgba(0, 0, 0, 0.35);
        --shadow-medium:  0 8px 32px rgba(0, 0, 0, 0.45);
        --shadow-strong:  0 16px 48px rgba(0, 0, 0, 0.55);
        --accent:         var(--green-300);
        --accent-strong:  var(--green-200);
        --accent-soft:    rgba(143, 175, 143, 0.14);
        color-scheme: dark;
    }
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.08);
}

section[id] {
    scroll-margin-top: 100px;
}

body {
    font-family: var(--font-body);
    color: var(--text-base);
    line-height: 1.65;
    background: var(--bg-page);
    overflow-x: hidden;
    transition: background-color var(--transition), color var(--transition);
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    color: inherit;
    touch-action: manipulation;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -120px;
    background: var(--green-700);
    color: var(--white);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    z-index: 2000;
    font-weight: 600;
}

.skip-link:focus-visible {
    top: 16px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--green-400);
    outline-offset: 3px;
    border-radius: 4px;
}

/* ===== UTILITIES ===== */
.container {
    width: 92%;
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: 1.5px solid transparent;
    letter-spacing: 0.02em;
    text-decoration: none;
}

.btn-primary {
    background: var(--green-600);
    color: var(--white);
    border-color: var(--green-600);
    box-shadow: 0 4px 14px rgba(79, 107, 79, 0.28);
}

.btn-primary:hover {
    background: var(--green-700);
    border-color: var(--green-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(79, 107, 79, 0.35);
    color: var(--white);
}

.btn-accent {
    background: var(--white);
    color: var(--green-700);
    border-color: var(--white);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-accent:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--green-700);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

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

/* Section Labels */
.section-label {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 12px;
    text-align: center;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-strong);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    text-align: center;
    color: var(--text-soft);
    max-width: 580px;
    margin: 0 auto 56px;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Gradient Text — alineado a la paleta verde de marca */
.text-gradient {
    background: linear-gradient(135deg, #FFFFFF 0%, var(--green-200) 60%, #FFFFFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.text-gradient-dark {
    background: linear-gradient(135deg, var(--green-600) 0%, var(--green-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

:root[data-theme='dark'] .text-gradient-dark {
    background: linear-gradient(135deg, var(--green-300) 0%, var(--green-200) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

/* ===== ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }

/* ===== HEADER ===== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 14px 0;
    transition: background-color var(--transition), padding var(--transition), box-shadow var(--transition);
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--header-border);
}

#main-header.scrolled {
    background: var(--header-bg-scrolled);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(30, 46, 31, 0.08);
    padding: 10px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Brand: el logo no debe llevar sombras ni efectos. Mantener limpio. */
.logo-img {
    height: 56px;
    width: auto;
    transition: height var(--transition);
}

#main-header.scrolled .logo-img {
    height: 46px;
}

.logo-text-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--green-700);
    letter-spacing: 0.1em;
    transition: color var(--transition);
}

:root[data-theme='dark'] .logo-text {
    color: var(--green-200);
}

.logo-sub {
    font-family: var(--font-heading);
    font-size: 0.56rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.15em;
    transition: color var(--transition);
}

#main-nav ul {
    display: flex;
    gap: 28px;
    align-items: center;
}

#main-nav a {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-soft);
    position: relative;
    letter-spacing: 0.01em;
    transition: color var(--transition);
}

#main-nav a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s var(--ease);
}

#main-nav a:not(.nav-cta):hover::after {
    width: 100%;
}

#main-nav a:hover {
    color: var(--accent);
}

#main-nav a.active:not(.nav-cta) {
    color: var(--accent-strong);
    font-weight: 700;
}

#main-nav a.active:not(.nav-cta)::after {
    width: 100%;
}

.nav-cta {
    background: var(--green-600);
    padding: 9px 22px !important;
    border-radius: 50px;
    border: 1px solid var(--green-600);
    color: var(--white) !important;
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--green-700) !important;
    color: var(--white) !important;
    border-color: var(--green-700);
    transform: translateY(-1px);
}

:root[data-theme='dark'] .nav-cta {
    background: var(--green-500);
    border-color: var(--green-500);
}

:root[data-theme='dark'] .nav-cta:hover {
    background: var(--green-400) !important;
    border-color: var(--green-400);
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-soft);
    background: transparent;
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
    margin-left: 8px;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-soft);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

:root[data-theme='dark'] .theme-toggle .icon-sun  { display: block; }
:root[data-theme='dark'] .theme-toggle .icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
    :root:not([data-theme='light']) .theme-toggle .icon-sun  { display: block; }
    :root:not([data-theme='light']) .theme-toggle .icon-moon { display: none; }
}

/* ===== HERO ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

#hero::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 80px;
    background: linear-gradient(180deg, transparent 0%, var(--bg-page) 100%);
    z-index: 3;
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, #0f1a11 0%, var(--green-900) 25%, var(--green-700) 55%, var(--green-500) 100%);
    z-index: 0;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 80%, rgba(107, 143, 110, 0.3) 0%, transparent 65%),
        radial-gradient(ellipse 55% 45% at 80% 20%, rgba(184, 212, 186, 0.15) 0%, transparent 65%);
}

.hero-geo {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.geo-lines {
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 80px;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 32px;
    backdrop-filter: blur(4px);
    background: rgba(255, 255, 255, 0.05);
}

#hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
    color: var(--white);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.4vw, 1.1rem);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
}

.hero-subtitle strong {
    color: var(--white);
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-clients {
    margin-top: 48px;
}

.hero-divider {
    width: 60px;
    height: 1px;
    background: rgba(255, 255, 255, 0.22);
    margin: 0 auto 20px;
}

.hero-trust-items {
    display: flex;
    gap: 28px;
    justify-content: center;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

.trust-item svg {
    color: var(--green-300);
    flex-shrink: 0;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    z-index: 4;
}

.scroll-line {
    width: 1px;
    height: 36px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
    animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleY(0.6);
    }
    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* ===== ABOUT ===== */
#about {
    padding: var(--section-py) 0;
    background: var(--bg-page);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--text-strong);
    line-height: 1.25;
    margin-bottom: 24px;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--text-base);
    font-size: 1rem;
    line-height: 1.75;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--green-400);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--transition);
}

.stat-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-medium);
    border-color: var(--green-200);
}

.stat-card:hover::before {
    transform: scaleY(1);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    min-width: 80px;
}

.stat-label {
    font-size: 0.88rem;
    color: var(--text-soft);
    line-height: 1.4;
    font-weight: 500;
}

/* ===== WHY US ===== */
#why-us {
    padding: var(--section-py) 0;
    background: var(--bg-section-alt);
    position: relative;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-soft);
    transition: var(--transition);
    position: relative;
}

.why-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
    border-color: var(--green-200);
}

.why-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-soft), var(--green-100));
    border-radius: 50%;
    margin: 0 auto 20px;
    color: var(--accent);
    transition: var(--transition);
}

:root[data-theme='dark'] .why-icon {
    background: rgba(143, 175, 143, 0.18);
}

.why-card:hover .why-icon {
    background: linear-gradient(135deg, var(--green-600), var(--green-500));
    color: var(--white);
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 10px;
}

.why-card > p {
    color: var(--text-soft);
    font-size: 0.9rem;
    line-height: 1.65;
}

/* ===== SERVICES ===== */
#services {
    padding: var(--section-py) 0;
    background: var(--bg-page);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-elevated);
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--green-500), var(--green-300));
    transition: height 0.4s var(--ease);
    border-radius: 0 0 4px 0;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
    border-color: var(--green-200);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-soft);
    border-radius: var(--radius-md);
    margin-bottom: 18px;
    color: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--green-600);
    color: var(--white);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 10px;
}

.service-card > p {
    color: var(--text-soft);
    font-size: 0.92rem;
    margin-bottom: 16px;
    line-height: 1.65;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tags li {
    padding: 4px 14px;
    background: var(--bg-tag);
    color: var(--accent-strong);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.01em;
}

:root[data-theme='dark'] .service-tags li {
    color: var(--green-200);
}

/* ===== PROJECTS ===== */
#projects {
    padding: var(--section-py) 0;
    background: var(--bg-subtle);
}

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

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
    border-color: var(--green-200);
}

.project-image {
    height: 200px;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.3) 100%);
}

.project-icon-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -60%);
    color: rgba(255, 255, 255, 0.2);
    z-index: 1;
    transition: color var(--transition);
}

.project-card:hover .project-icon-wrapper {
    color: rgba(255, 255, 255, 0.4);
}

.project-overlay {
    position: relative;
    z-index: 2;
}

.project-category {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-info {
    padding: 22px 24px 24px;
}

.project-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 8px;
}

.project-info p {
    color: var(--text-soft);
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 14px;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.project-tag {
    padding: 3px 10px;
    background: var(--bg-tag);
    color: var(--accent-strong);
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 50px;
}

:root[data-theme='dark'] .project-tag {
    color: var(--green-200);
}

/* ===== TEAM ===== */
#team {
    padding: var(--section-py) 0;
    background: var(--bg-page);
}

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

.team-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--green-200);
}

.team-avatar {
    width: 84px;
    height: 84px;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--green-100), var(--green-200));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-700);
}

:root[data-theme='dark'] .team-avatar {
    background: linear-gradient(135deg, rgba(143, 175, 143, 0.2), rgba(143, 175, 143, 0.35));
    color: var(--green-200);
}

.team-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-strong);
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.82rem;
    color: var(--accent);
    font-weight: 600;
    display: block;
    margin-bottom: 12px;
}

.team-card > p {
    color: var(--text-soft);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ===== CONTACT ===== */
#contact {
    padding: var(--section-py) 0;
    background: linear-gradient(160deg, #1a2b1c 0%, var(--green-800) 50%, #2a4230 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background:
        radial-gradient(ellipse at 70% 30%, rgba(107, 143, 110, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 35% 80%, rgba(184, 212, 186, 0.12) 0%, transparent 55%);
    pointer-events: none;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 56px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.contact-info h2 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
    color: var(--white);
}

.contact-info > p {
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 32px;
    font-size: 1.02rem;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 32px;
}

.info-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.info-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    color: var(--green-200);
}

.info-item strong {
    display: block;
    font-size: 0.82rem;
    margin-bottom: 2px;
    color: var(--white);
}

.info-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.88rem;
    line-height: 1.5;
    margin: 0;
}

.info-item a {
    color: rgba(255, 255, 255, 0.85);
}

.info-item a:hover {
    color: var(--white);
}

/* Social Links */
.social-links {
    display: flex;
    gap: 10px;
}

.social-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.social-btn:hover {
    background: var(--white);
    color: var(--green-700);
    transform: translateY(-2px);
}

/* Contact Form */
.contact-form-container {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-xl);
    color: var(--gray-700);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.contact-form-container h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 22px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--gray-700);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.92rem;
    transition: var(--transition);
    background: var(--white);
    color: var(--gray-700);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(79, 107, 79, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-status {
    min-height: 22px;
    margin-bottom: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--green-700);
}

button.btn-accent {
    background: var(--green-600);
    color: var(--white);
    border-color: var(--green-600);
    box-shadow: 0 4px 14px rgba(79, 107, 79, 0.3);
}

button.btn-accent:hover {
    background: var(--green-700);
    border-color: var(--green-700);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 107, 79, 0.35);
    color: var(--white);
}

/* ===== FOOTER ===== */
footer {
    background: var(--green-900);
    color: var(--white);
    padding: 60px 0 28px;
}

:root[data-theme='dark'] footer {
    background: #0a1209;
    border-top: 1px solid rgba(143, 175, 143, 0.12);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
    text-align: left;
}

.footer-logo-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.footer-logo-img {
    height: 48px;
    width: auto;
}

.footer-brand .logo-text {
    font-size: 1.3rem;
    color: var(--white);
}

.footer-tagline {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.5;
    margin-bottom: 10px;
}

.footer-desc {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-nav-group h4 {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 16px;
}

.footer-nav-group ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav-group li,
.footer-nav-group a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-nav-group a:hover {
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.footer-social .social-btn {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.6);
    border: none;
}

.footer-social .social-btn:hover {
    background: var(--white);
    color: var(--green-700);
}

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
}

/* ===== MOBILE MENU ===== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    z-index: 1001;
    padding: 0;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--accent-strong);
    border-radius: 2px;
    transition: var(--transition);
    transform-origin: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid,
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .why-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .logo-img {
        height: 44px;
    }

    #main-header.scrolled .logo-img {
        height: 40px;
    }

    .logo-text-group {
        display: none;
    }

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

    #main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-elevated);
        padding: 100px 40px 40px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        transition: right 0.4s var(--ease);
        z-index: 1000;
    }

    #main-nav.active {
        right: 0;
    }

    #main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 22px;
    }

    #main-nav a {
        color: var(--text-base) !important;
        font-size: 1.05rem;
    }

    #main-nav a.active:not(.nav-cta) {
        color: var(--accent-strong) !important;
    }

    #main-nav a:hover {
        color: var(--accent) !important;
    }

    #main-nav .nav-cta {
        background: var(--green-600) !important;
        color: var(--white) !important;
        border-color: var(--green-600) !important;
    }

    /* Hamburger animation */
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    #hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-scroll-indicator {
        display: none;
    }

    .hero-trust-items {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-brand {
        text-align: center;
    }

    .footer-logo-row {
        justify-content: center;
    }

    .footer-nav-group {
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

/* Mobile menu overlay */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .fade-up {
        opacity: 1;
        transform: none;
    }
}