/* ============================================
   From Zero to AI — v5
   Cupertino Precision. Blue sphere pull mode.
   ============================================ */

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

:root {
    --white: #ffffff;
    --off-white: #fbfbfd;
    --gray-50: #f5f5f7;
    --gray-100: #e8e8ed;
    --gray-200: #d2d2d7;
    --gray-400: #86868b;
    --gray-600: #6e6e73;
    --gray-800: #1d1d1f;
    --black: #0a0a0a;

    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #60a5fa;
    --accent-glow: rgba(37, 99, 235, 0.12);
    --accent-glow-strong: rgba(37, 99, 235, 0.25);

    --green: #30d158;
    --red: #ff453a;

    --font-display: 'Sora', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    --max-width: 1120px;
    --radius: 20px;
    --radius-sm: 12px;
    --radius-xs: 8px;

    --ease: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection { background: var(--accent); color: white; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 720px; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: transparent;
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0);
    transition: border-color 0.3s, background 0.3s, color 0.3s;
}

.nav.scrolled {
    border-bottom-color: var(--gray-100);
    background: rgba(255, 255, 255, 0.88);
}

.section-dark .nav.scrolled,
.nav.nav-dark {
    background: rgba(10, 10, 10, 0.88);
    border-bottom-color: rgba(255,255,255,0.06);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    letter-spacing: -0.03em;
    transition: color 0.3s;
}

.nav.scrolled .logo { color: var(--gray-800); }

.logo-dot { color: #3388ff; transition: color 0.3s; }
.nav.scrolled .logo-dot { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.2s;
    letter-spacing: -0.01em;
}

.nav-links a:hover { color: rgba(255, 255, 255, 0.95); }
.nav.scrolled .nav-links a { color: var(--gray-600); }
.nav.scrolled .nav-links a:hover { color: var(--gray-800); }

.nav-cta {
    background: var(--accent) !important;
    color: white !important;
    padding: 7px 18px !important;
    border-radius: 980px !important;
    font-weight: 600 !important;
    transition: background 0.2s, transform 0.2s !important;
}

.nav-cta:hover {
    background: var(--accent-hover) !important;
    transform: scale(1.03);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    transition: all 0.35s var(--ease);
}

.nav.scrolled .nav-toggle span { background: var(--gray-800); }

.nav-toggle.active span:first-child { transform: rotate(45deg) translate(2.5px, 2.5px); }
.nav-toggle.active span:last-child { transform: rotate(-45deg) translate(2.5px, -2.5px); }

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 32px 80px;
    overflow: hidden;
    background: #060a18;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--white));
    z-index: 3;
    pointer-events: none;
}

.hero-sphere {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-sphere canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

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

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 500;
    color: #88ccff;
    letter-spacing: 0.02em;
    margin-bottom: 32px;
}

.hero-title {
    font-family: var(--font-display);
    line-height: 1;
    margin-bottom: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.title-zero {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 200;
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: -0.04em;
}

.title-to {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin: 8px 0;
}

.title-ai {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 800;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, #ffffff 0%, #3388ff 50%, #88ccff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: clamp(0.95rem, 1.5vw, 1.12rem);
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.75;
    max-width: 520px;
    margin: 0 auto 40px;
    font-weight: 400;
}

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

.hero .btn-fill {
    background: #3388ff;
    color: white;
}

.hero .btn-fill:hover {
    background: #4499ff;
    box-shadow: 0 4px 24px rgba(51, 136, 255, 0.35);
}

.hero .btn-text {
    color: rgba(255, 255, 255, 0.7);
}

.hero .btn-text:hover {
    color: white;
    opacity: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s var(--ease);
    letter-spacing: -0.01em;
}

.btn-fill {
    background: var(--accent);
    color: white;
    padding: 14px 28px;
    border-radius: 980px;
}

.btn-fill:hover {
    background: var(--accent-hover);
    transform: scale(1.03);
    box-shadow: 0 4px 20px var(--accent-glow-strong);
}

.btn-text {
    color: var(--accent);
    padding: 14px 8px;
    background: none;
}

.btn-text:hover { opacity: 0.7; }
.btn-text svg { transition: transform 0.3s var(--ease); }
.btn-text:hover svg { transform: translateX(3px); }

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

/* ============================================
   STATS RIBBON
   ============================================ */
.stats {
    padding: 64px 0;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-val {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 4vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--gray-800);
    line-height: 1;
}

.stat-unit {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    font-weight: 600;
    color: var(--accent);
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.78rem;
    color: var(--gray-400);
    line-height: 1.5;
    font-weight: 400;
    max-width: 220px;
    margin-left: auto;
    margin-right: auto;
}

.stat-source {
    display: block;
    margin-top: 6px;
    font-family: var(--font-display);
    font-size: 0.62rem;
    font-weight: 500;
    color: var(--gray-200);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color 0.2s;
}

.stat-source:hover {
    color: var(--accent);
}

/* ============================================
   SECTIONS
   ============================================ */
.section { padding: 140px 0; }

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

.section-muted {
    background: var(--gray-50);
}

.section-head {
    text-align: center;
    margin-bottom: 80px;
}

.overline {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 20px;
}

.section-dark .overline { color: var(--accent-light); }

.section-head h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.text-dim { color: var(--gray-400); }
.section-dark .text-dim { color: rgba(255,255,255,0.3); }

.text-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   PROBLEM GRID (dark section, glass cards)
   ============================================ */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 36px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.4s var(--ease);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.card-num {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 18px;
}

.glass-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    color: var(--off-white);
}

.glass-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.65;
    margin-bottom: 24px;
    font-weight: 400;
}

.progress-stat {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.02em;
}

.progress-bar {
    height: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 1.2s var(--ease);
}

/* ============================================
   SERVICES
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.service-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    padding: 36px;
    display: flex;
    flex-direction: column;
    transition: all 0.4s var(--ease);
}

.service-card:hover {
    border-color: var(--gray-200);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
}

.service-card-featured {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 1px var(--accent);
}

.service-card-featured:hover {
    box-shadow: 0 20px 60px rgba(37, 99, 235, 0.1), 0 0 0 1px var(--accent);
}

.featured-pill {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 4px 14px;
    border-radius: 980px;
    white-space: nowrap;
}

.service-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.service-phase {
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gray-400);
}

.service-label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

.service-card > p {
    font-size: 0.86rem;
    color: var(--gray-600);
    line-height: 1.65;
    margin-bottom: 24px;
    font-weight: 400;
}

.service-card ul {
    list-style: none;
    flex-grow: 1;
    margin-bottom: 24px;
}

.service-card li {
    font-size: 0.84rem;
    color: var(--gray-600);
    padding: 9px 0 9px 18px;
    position: relative;
    border-bottom: 1px solid var(--gray-50);
    font-weight: 400;
}

.service-card li:last-child { border-bottom: none; }

.service-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.5;
}

.service-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
    font-family: var(--font-display);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: -0.01em;
}

/* ============================================
   PROCESS / JOURNEY
   ============================================ */
.journey {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}

.journey-line {
    position: absolute;
    top: 22px;
    left: 48px;
    right: 48px;
    height: 2px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 2px;
}

.journey-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
    transition: width 1.5s var(--ease);
    box-shadow: 0 0 12px var(--accent-glow-strong);
}

.journey-step {
    text-align: center;
    position: relative;
}

.journey-node {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    background: var(--black);
    position: relative;
    z-index: 2;
    transition: all 0.35s var(--ease);
}

.journey-node span {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255,255,255,0.4);
    transition: color 0.35s;
}

.journey-step:hover .journey-node {
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.journey-step:hover .journey-node span { color: var(--accent-light); }

.journey-step h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
    color: var(--off-white);
}

.journey-step p {
    font-size: 0.84rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.6;
    margin-bottom: 16px;
    font-weight: 400;
}

.journey-time {
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-light);
    padding: 4px 12px;
    background: var(--accent-glow);
    border-radius: 980px;
}

/* ============================================
   RESULTS
   ============================================ */
.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.result-tile {
    text-align: center;
    padding: 40px 20px;
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    transition: all 0.4s var(--ease);
}

.result-tile:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(37,99,235,0.06);
}

.result-val {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 4vw, 3.6rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--gray-800);
    line-height: 1;
}

.result-unit {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    font-weight: 600;
    color: var(--accent);
}

.result-tile p {
    margin-top: 16px;
    font-size: 0.84rem;
    color: var(--gray-600);
    line-height: 1.55;
    margin-bottom: 12px;
}

.result-src {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--gray-200);
}

/* ============================================
   FIT
   ============================================ */
.fit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.fit-card {
    border-radius: var(--radius);
    padding: 40px;
}

.fit-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.fit-yes {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.fit-yes h3 { color: #15803d; }
.fit-yes svg { color: #22c55e; }

.fit-no {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.fit-no h3 { color: #b91c1c; }
.fit-no svg { color: #ef4444; }

.fit-card ul { list-style: none; }

.fit-card li {
    font-size: 0.88rem;
    color: var(--gray-600);
    padding: 9px 0 9px 22px;
    position: relative;
    line-height: 1.5;
}

.fit-yes li::before { content: '+'; position: absolute; left: 4px; top: 9px; color: #22c55e; font-weight: 700; }
.fit-no li::before { content: '\2013'; position: absolute; left: 4px; top: 9px; color: #ef4444; font-weight: 700; }

/* ============================================
   CONTACT / CTA
   ============================================ */
.cta-layout {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 80px;
    align-items: start;
}

.cta-left h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--off-white);
}

.cta-desc {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    margin-bottom: 32px;
}

.promises {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.promises span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}

.promises svg { color: var(--accent-light); flex-shrink: 0; }

/* ============================================
   FORM
   ============================================ */
.form-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 40px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.field { display: flex; flex-direction: column; gap: 6px; }

.field label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.4);
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-card input,
.form-card select,
.form-card textarea {
    width: 100%;
    padding: 13px 16px;
    background: rgba(255,255,255,0.04);
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xs);
    color: var(--off-white);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
}

.form-card input::placeholder,
.form-card textarea::placeholder { color: rgba(255,255,255,0.2); }

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-card select {
    appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='rgba(255,255,255,0.3)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-card select option { background: var(--black); color: var(--off-white); }

.form-success { padding: 48px 24px; text-align: center; }
.form-success h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--accent-light); margin-bottom: 8px; }
.form-success p { color: rgba(255,255,255,0.5); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 48px 0 24px;
    border-top: 1px solid var(--gray-100);
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 36px;
}

.footer-brand p {
    font-size: 0.82rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.82rem; font-weight: 500; color: var(--gray-400); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gray-800); }

.footer-bottom { padding-top: 20px; border-top: 1px solid var(--gray-50); }
.footer-bottom p { font-size: 0.72rem; color: var(--gray-200); }

/* ============================================
   ANIMATIONS
   ============================================ */
.anim {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    transition-delay: var(--d, 0s);
}

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

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

    .journey-line { display: none; }

    .cta-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
        margin: 0 auto;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 52px;
        left: 0; right: 0;
        background: rgba(255,255,255,0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px 32px;
        gap: 16px;
        border-bottom: 1px solid var(--gray-100);
    }

    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; }

    .hero { min-height: auto; padding: 130px 24px 60px; }

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

    .problem-grid, .fit-grid { grid-template-columns: 1fr; }

    .journey { grid-template-columns: 1fr; gap: 40px; }
    .journey-step { text-align: left; display: flex; gap: 20px; align-items: flex-start; }
    .journey-node { margin: 0; flex-shrink: 0; }

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

    .section { padding: 100px 0; }
    .section-head { margin-bottom: 56px; }

    .container { padding: 0 20px; }
    .nav-inner { padding: 0 20px; }

    .footer-row { flex-direction: column; gap: 24px; }
    .footer-links { flex-wrap: wrap; gap: 14px; }

    .form-card { padding: 28px; }
}

@media (max-width: 480px) {
    .title-zero { font-size: 2.2rem; }
    .title-ai { font-size: 3.6rem; }

    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; justify-content: center; }

    .results-grid { grid-template-columns: 1fr; }
}